Answers
Answer:
Questions: Explain why Phenol red is a good indicator of photosynthesis? Phenol red turns red in basic (and neutral) solutions: photosynthesis should remove CO2 (carbonic acid) and increase pH (red).
Explanation:
In this lab, you will use phenol red as an indicator to show whether CO2 is being consumed or produced in a reaction within plants.
It is well known that in the presence of light plants perform photosynthesis. It is less well understood that at the same time plants are also performing cell respiration. To demonstrate this we will determine whether CO2 is consumed or produced as elodea (anacharis) is placed in either a light or dark environment. The change in CO2 will be detected by the pH indicator phenol red.
Think about the chemical equations for respiration and photosynthesis. Which one releases CO2 causing an increase and which one uses up CO2which will cause a decrease?
Phenol red is yellow under acidic conditions (high H ion concentration), pink under basic or alkaline conditions (low H ion concentration) and orange under neutral conditions. A change in CO2 will cause a directly proportional change in H ion.
If the CO2 concentration decreases, the H ion concentration will also decrease and the solution will change to pink, becoming basic.
If the CO2 concentration increases, the H ion concentration will also increase and the solution will change to yellow, becoming acidic.
Neutral solutions of phenol red will be orange.
Related Questions
How is final shape and texture of cheese made?
Answers
Answer:
chese is a dairy product derived dairy from milk and produced inwide ranges in flavourstextures andforms by textures caugulation of the milkproatien of casien
10 POINTS PLZ ANSWERRRR
Which of the following best describes non-matter?
A substance that is either a solid, liquid, or gas
Any material that has a length and a volume Anything with no mass that takes up no
space Something that takes the shape of a container
Answers
Answer:
c is the answer in my opinion .
Explanation:
Its because non matter has neither volume nor mass and no space also.
Answer:
Matter is something that takes up space so the answer is Anything that does not take up space
Explanation:
Looking at your data, which trophic level had the most energy available?Question 11 options:producerssecond order heterotrophsthird order heterotrophs
Answers
Step 1
Completing the question information:
-Organisms : 3ª order heterotrophs are the large carnivores (wolves, hawks ); 2ª order heterotrophs are the small carvivores (snakes, owls); 1ª order heterotrophs are the herbivores (insects, small mammals); producers (plants).
- Energy: 6, 61, 623, and 6,011, respectively.
- Energy efficiency: 0.098, 0.098, 0.10, and 6,011, respectively.
Step 2
With the data and knowing about the energy flow in a pyramid of trophic level we can conclude that:
The producers with 6,011 of energy available are the trophic level with most energy, as well as that being based on the fact that it is a group formed by autotrophic organisms.
Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine. On left, a purple circle labeled P surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The second circle has 8 small green spheres. The third circle has 5 small green spheres. On right, a purple circle labeled C l surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 7 small green spheres. Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule? At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 2 lines at left to C l with 2 dots each above, left. Also connected by 2 lines at right to C l with 2 dots each above, right. At center, P connected above by 1 line to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. P also has 2 dots below. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below. Also connected by 1 line at right to C l with 2 dots each above, below.
Answers
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry.
What is the structure of a molecule?We know that a molecule is made up of atoms, the atoms that make up a molecule are arranged in a definite pattern. The pattern that these atoms are arranged along with the positioning of electron pairs around the central atom is what determines the shape of the molecule.
Now we know that the phosphorous trichloride molecule is composed of one atom of phosphorus and three atoms of chlorine which are all held by covalent bonds.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry. The small green spheres shows the electrons that surround the chlorine atom.
The correct structure of the phosphorous trichloride have been shown in the image attached to this answer.
Learn more about phosphorous trichloride:https://brainly.com/question/13622733
#SPJ1
How is loss of biodiversity connected to extinction of organisms?
Answers
Answer:
In an ecosystem, everything is connected. All ecosystems have some form of food chain and symbiosis. This means that animals rely on each other for life. If one animal were to die then others would be negatively affected. Overall, this means that when biodiversity is lost it becomes harder for organisms to survive. For example, pandas rely on bamboo to survive. So, when it gets cut down and destroyed the pandas also suffer. Additionally, in ecosystems, a wide variety of organisms helps other living creates have more forms of survival. This shows how important biodiversity is.
Refraction occurs when the amplitude of a wave changes as it goes from one medium to another. yes or no?
Answers
Yes, it is true that when Refraction occurs the amplitude of the wave changes as it travels from one medium to the other.
Refraction is generally termed as bending of light ray when light travels from one medium to the other medium. Bending highly depends on whether the Medium may be dense or light.
Refraction may also be defined as the redirection or change of the direction of the wave that is passing from one medium to the other. It can be most commonly observed, for example, refraction in glasses, lenses etc.
Read more about Refraction,
https://brainly.com/question/2583974
Which of the following can function in signal transduction in plants ? I. calcium ions II. nonrandom mutations III. receptor proteins IV. autochrome V. secondary messengers O only I, II, and V O only I, III, and IV O only II, III, and VO only I, III, and V
Answers
The correct answer is: only I, III, and V. Calcium ions, receptor proteins, and secondary messengers are the signaling molecules that are responsible for signal transduction in plants.
Calcium ions, receptor proteins, and secondary messengers are the signaling molecules that are responsible for signal transduction in plants. The calcium ions are used by plants to regulate various biological processes that are essential for growth, development, and response to environmental stimuli. Receptor proteins are the proteins that bind to specific signaling molecules, such as hormones or neurotransmitters, and transduce the signal into a biochemical response within the cell.
Secondary messengers are small molecules that are generated in response to the activation of receptor proteins. These messengers help to amplify the signal and relay it to the appropriate targets within the cell. Nonrandom mutations and autochrome are not involved in signal transduction in plants.
Therefore, the correct answer is "only I, III, and V."
I. Calcium ions: Calcium ions function as a second messenger in signal transduction in plants.
III. Receptor proteins: These proteins bind to specific signaling molecules, initiating the signal transduction process.
V. Secondary messengers: These molecules relay signals from receptor proteins to target molecules in the cell.
For more such questions on signaling molecules , Visit:
https://brainly.com/question/14140452
#SPJ11
Select all that apply.
Viral infections can be transmitted by:
coughing
sneezing
insect bites
contaminated water
direct contact
Answers
Answer:
Explanation:
all of them
Which two parts of the cell are unique to plant cells?
Answers
Answer:
Cell wall, chloroplast, vacuole. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Explanation:
The main difference between plant cells and animal cells are cell wall and chloroplast , whereas for the vacuole plants have a vacuole called vescile which is not the same as the vacuole in plant cells.
Vacuoles are very large as they are needed to store water and they mostly contain water and sugars . On the other hand, vesicles are small and contain water, nutrients, enzymes, wastes, solution of water or food etc. This is the key difference between vacuoles and vesicles. hope it helps :)
Describe four different types of drugs and their impact on sports performance
Evaluate the impact of four different performance-enhancing drugs on performance in four different types of sport
Discuss, using relevant examples, why some individuals may resort to using performance-enhancing drugs in sport
Answers
Types of Drugs and their Impact on Sports Performance:
Anabolic steroids: Anabolic steroids are synthetic hormones that mimic the effects of testosterone. They are commonly used by athletes to increase muscle mass, strength, and endurance. However, they can also have negative side effects, including liver damage, heart disease, and hormonal imbalances.
Beta blockers: Beta blockers are used by athletes to control anxiety and reduce the effects of stress on the body. They are often used in sports such as archery and shooting, where steady hands and calm nerves are essential. However, they can also cause side effects such as dizziness, fatigue, and depression.
Human growth hormone (HGH): HGH is a hormone produced naturally by the body that stimulates growth and cell reproduction. It is often used by athletes to increase muscle mass and improve endurance. However, it can also have negative side effects, including joint pain, diabetes, and hypertension.
Erythropoietin (EPO): EPO is a hormone that stimulates the production of red blood cells, which carry oxygen to the muscles. It is often used by endurance athletes to improve their stamina and performance. However, it can also increase the risk of blood clots and strokes.
Impact of Four Different Performance Enhancing Drugs on Performance in Four Different Types of Sport:
Anabolic steroids in bodybuilding: Anabolic steroids are commonly used by bodybuilders to increase muscle mass and strength. They can lead to significant gains in muscle size and strength, but can also cause negative side effects, such as acne and hair loss.
Beta blockers in shooting: Beta blockers are commonly used by competitive shooters to reduce the effects of stress on their performance. They can improve accuracy and reduce tremors, but can also cause negative side effects, such as fatigue and dizziness.
Human growth hormone in endurance running: HGH is often used by endurance runners to improve their endurance and speed. It can lead to significant gains in muscle mass and improved performance, but can also cause negative side effects, such as joint pain and diabetes.
Erythropoietin in cycling: EPO is commonly used by cyclists to improve their endurance and stamina. It can lead to significant gains in performance, but can also increase the risk of blood clots and strokes.
Why Some Individuals May Resort to Using Performance Enhancing Drugs in Sport:
To gain a competitive advantage: Athletes may use performance enhancing drugs to improve their performance and gain a competitive advantage over others.
To achieve success and fame: Athletes may use performance enhancing drugs to achieve success and fame in their sport.
Pressure to perform: Athletes may feel pressure to perform at their best, and may resort to performance enhancing drugs to achieve this.
Financial gain: Athletes may use performance enhancing drugs to improve their performance in order to gain financial rewards or sponsorship.
Examples of athletes who have resorted to using performance enhancing drugs include Lance Armstrong, who used EPO and other drugs in cycling, and Barry Bonds, who used steroids in baseball.
An amino acid's unique characteristics is defined by the ________.
Answers
Match the organelle (1-4) with the correct description (5-8). 1) mitochondrion 5) synthesizing molecules 2) centriole 6) liquid in cell 3) endoplasmic reticulum 7) provides cell with energy 4) cytosol 8) aids the formation of the spindle apparatusA) 1 and 5, 2 and 6, 3 and 7, 4 and 8 B) 1 and 7, 2 and 6, 3 and 8, 4 and 5 C) 1 and 7, 2 and 8, 3 and 5, 4 and 6 D) 1 and 8,2 and 5, 3 and 6, 4 and7 E) 1 and 6, 2 and 8, 3 and 5, 4 and7
Answers
Answer:
C) 1 and 7, 2 and 8, 3 and 5, 4 and 6
Explanation:
1 and 7: 1) mitochondrion; 7) provides the cell with energyThe mitochondrion is the organelle that produces the energy that the cell needs for its functions. It synthesizes adenosine triphosphate (ATP), which storages large quantities of energy in its bonds.
2 and 8: 2) centriole; 8) aids the formation of the spindle apparatusThe centrioles have a crucial role during mitosis. They form the spindle apparatus that attaches to the chromosomes, moving them to the opposite poles of the cell.
3 and 5: 3) endoplasmic reticulum; 5) synthesizing moleculesThe endoplasmatic reticulum is a continuous membrane connected to the nuclear membrane. There are two types, the Rough Endoplasmatic Reticulum (RER) and the Smooth Endoplasmatic Reticulum (SER). The first one synthesizes proteins, while the second one synthesizes lipids.
4 and 6: 4) cytosol; 6) liquid in the cellThe cytosol is the liquid that is inside the cell. It is mostly water, but it also has ions and molecules. It is important for the transport of substances.
The correct match between organelles and their description is - Option C. 1 and 7, 2 and 8, 3 and 5, 4 and 6.
In the cell, there are many organelles that perform different and specific functions essential for the cell to survive. These organelles help in synthesizing molecules, energy production, cell division, and many others.
Mitochondrion: it is a cell organelle that is the site of cellular respiration, which is a process that breaks the sugar molecule and releases a high amount of energy in the form of ATP. Therefore, it is known as the powerhouse of the cell. Thus, correctly matches with 7) provides the cell with energyCentriole: It is organelles that help to form the spindle during the cell division in the cell that makes the region at the poles where spindle fibers form. Thus, it correctly matches with 8) aids the formation of the spindle apparatus.Endoplasmic reticulum: It is organelles that synthesize various molecules such as hormones and other protein molecules, Rough ER has ribosomes attached to it that synthesize proteins. Thus, correctly matches with 5) synthesizing moleculesCytosol: It is a semi-fluid-like substance made up of a lot of water, dissolved ions, smaller minute molecules, and proteins. It has filled in the interior cellular space. Thus, the correctly matches with 6) liquid in the cell.Thus, the correct answer is - Option C.
Learn more about cell organelles:
https://brainly.com/question/17994377
Different species are distinguished by their (1 point)
O diet
O DNA
O size.
O physical appearance.
Answers
Different species of organisms are distinguished by their: B. DNA.
What is a species?A species can be defined as a biological classification of related organisms that have the same (similar) characteristics and they are capable of mating (breeding) with one another in a cycle or different seasons.
Based on scientific information provided through genetics, different species of organisms are distinguished by their deoxyribonucleic acid (DNA).
Read more on species here: https://brainly.com/question/19878144
1. Individuals with thicker fur had a survival advantage in the cold...
2. Random mating
3. The green skin color is being selected over blue skin color.
4. DNA.
5. They show intermediate steps in the evolution process.*
6. Different islands had very different food resources available...
7. Those who have traits that help them survive are able to reproduce...
8. It makes them unrecognizable to the immune system
9. The exposure of human populations to less UV light required...
10. The correlation between air pollution and white moth predation
11. It is a biological process that leads a population to have a widespread...
12-16 Essays
An examination of the planets orbiting other stars shows us what
Answers
The study of exoplanets, or planets that orbit other stars, has provided a wealth of knowledge about the variety and characteristics of planetary systems outside of our own Solar System.
We can see what by looking at the planets circling other starsExoplanet research has improved our knowledge of planetary system evolution and formation, as well as the conditions necessary for life to exist on other planets. Exoplanet observations have uncovered a wide variety of planet sizes, compositions, and orbits, as well as the identification of numerous previously unidentified new types of planets. The chemical make-up and climate of an exoplanet can also be discovered by studying the light that travels through its atmosphere. You can use this data to find out if the planet has the conditions needed to support life, such as the presence of water, organic molecules, and other key ingredients.
To Know more about Solar System Visit:
https://brainly.com/question/12075871
#SPJ1
Which base is found only in DNA?
O adenine
O guanine
O cytosine
othymine
Answers
explanation
DNA is a complex chemical compound which carries genetic information of a living being. It is a double helix structure. The full form for this is deodorize nucleic acid.
Thymine is the base that is found only in DNA. Adenine, guanine, and cytosine are also present in both DNA and RNA, but thymine is exclusive to DNA. In RNA, uracil replaces thymine.
What are nucleotide bases?Nucleotide bases are the building blocks of DNA and RNA, the genetic material in all living organisms. There are four nucleotide bases in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). In RNA, uracil (U) replaces thymine. These bases pair with each other to form the "rungs" of the DNA ladder, with A always pairing with T (or U in RNA) and C always pairing with G.
The sequence of nucleotide bases in DNA determines the genetic information carried by an organism. DNA replication, the process of copying DNA before cell division, relies on the complementary base pairing of nucleotide bases to ensure that each new strand of DNA has the same sequence as the original.
Mutations, or changes, in the sequence of nucleotide bases can occur naturally or as a result of external factors such as radiation or chemical exposure. These mutations can lead to genetic variations and may have consequences for the organism.
Learn more about nucleotide bases, here:
https://brainly.com/question/6407298
#SPJ7
ATP can be produced via two cellular respiration pathways. one that occurs in the presence of oxygen and one that occurs in its absence. Name and explain how these two mechanisms differ.
Answers
Aerobic and anaerobic respiration are the two different types of cellular respiration processes that are used to produce ATP.
ATP (adenosine triphosphate) is a molecule used by cells for energy storage and transfer. Two types of cellular respiration pathways are present for ATP production: aerobic respiration and anaerobic respiration. The primary difference between these two is the presence of oxygen.ATP production during aerobic respiration occurs in the presence of oxygen. This process occurs in three stages: glycolysis, the Krebs cycle, and oxidative phosphorylation. In the first stage, glucose is broken down into pyruvate, which is then moved to the mitochondria in the second stage, the Krebs cycle, where it is further processed. The last stage is oxidative phosphorylation, in which the electron transport chain and chemiosmosis use the energy generated to create ATP.Anaerobic respiration occurs in the absence of oxygen, and it is a less efficient method of ATP production. Anaerobic respiration begins with glycolysis, the same as aerobic respiration. Instead of moving to the Krebs cycle, pyruvate is transformed into lactate or ethanol. These pathways are not as effective at producing ATP, but they can supply ATP during periods of low oxygen. In summary, the main difference between these two pathways is the presence or absence of oxygen during the process.For more questions on adenosine triphosphate
https://brainly.com/question/897553
#SPJ8
Please help me anyone ?!!!! ())).
Answers
Rusting of iron and cutting an onion are both examples of chemical changes.
How to explain the chemical changeRusting of iron is a chemical change because it involves a reaction between iron, oxygen from the air, and water. The iron reacts with oxygen to form iron oxide, commonly known as rust. This process is irreversible, and the chemical composition of the iron is altered during rusting.
Cutting an onion is also a chemical change because it involves the disruption of the onion's cell structure and the release of enzymes. When you cut an onion, enzymes stored within the cells are released, reacting with certain compounds to produce sulfur compounds. These compounds are responsible for the pungent smell and the tears that occur when cutting an onion. The cutting process causes a chemical transformation in the onion's composition, making it a chemical change.
Learn more about chemical change on
https://brainly.com/question/1222323
#SPJ1
12. A postpartum woman came to clinic secking for a non-hormonal and long-acting contraceptive as she does not need more children. The nurse explained about the benefits and side effects of the contraceptive method requested and planned to provide the service for the woman What is the most appropriate time to provide this contraception after delivery? A. 45 days 48 hours C. Six months IX. Nine month
Answers
The most appropriate time to provide contraception after delivery is 45 days. Hence option (A) is the answer.
When should a woman start contraception after giving birth?In general, women with additional risk factors for venous thromboembolism should not take combined hormonal contraceptives for the first 21 days postpartum, and they should not use them for up to 42 days postpartum. However, after 42 days postpartum, they may be used without restriction.
If you intend to nurse your child, you should refrain from taking the majority of hormonal birth control methods for 4 to 6 weeks following your pregnancy. Because your milk production could be impacted by the hormones. They are often ready for use three weeks after delivery if you don't intend to breastfeed. To avoid unwanted pregnancies, however, effective contraception is necessary up until menopause.
To learn more about contraception, visit:
https://brainly.com/question/29952276
#SPJ1
Description: Cellular respiration is the process that allows your body to harvest a huge amount of energy from a single glucose. In fact, it's so efficient that you get 30 ATP for every 1 glucose molecule you eat. This exercise is going to break down exactly where each ATP comes from.
Instructions: For this presentation, your goal is to walk the audience through every step that is involved in generating an ATP, NADH or FADH2, include the names, structures and enzyme for each step. From there, look up the conversion rates from NADH and FADH2 to ATP and calculate exactly how 30 ATP are formed. Also include any step which uses an ATP (this will count against the total ATP formed).
What to submit: Please record yourself explaining the structures and enzymes as well as ATP calculation.
Description: For the video response portion of this assignment, your job will be to calculate the amount of ATP produced anaerobically using the logic of the person’s presentation you watched. Discuss whether or not you agree with this.
Answers
Answer:
The complete glycolysis and citric acid cycle pathway is shown in diagram.
# Reactions of glycolysis that –
I. Consumes ATP = 1, 3
II. Produces ATP = 7, 10
III. Consumes NAD+ and produces NADH = 6
IV. Consumes FAD and produces FADH2 = none
# Reactions of TCA that –
I. Consumes ATP = none
II. Produces ATP = 6
III. Consumes NAD+ and produces NADH = 4, 5, 9
IV. Consumes FAD and produces FADH2 = 7
Explanation:
If a tRNA molecule has an anticodon which reads GCUAAA, what was the codon of the mRNA molecule?
O GCUTTT
O CGAUUU
O AGUCCC
O CGATTT
Answers
The anticodon is a three-nucleotide sequence that is complementary to the codon of the mRNA. If two tRNA molecules have two anticodons that read GCUAAA, then the codons of the mRNA molecule will be CGAUUU.
The messenger RNA (mRNA) is a type of RNA sequence encoded by fragments of DNA called genes during transcription. Subsequently, the mRNA travels to the ribosomes where it is used as a template during the protein synthesis by a process called translation.The anticodon is a sequence composed of three nucleotides of the tRNA that read triplets of nucleotides called 'codons' of the mRNA in the ribosomes.There are 64 different types of tRNAs that bind to their corresponding codons in order to add specific amino acids to the nascent polypeptide chain.These anticodons bind to the codons of the mRNA by Watson–Crick base pairing.According to base pairing, Adenine always pairs with Thymine in DNA (Uracil in RNA), while Guanine always pairs with Cytosine.In conclusion, if two tRNA molecules have anticodons that can be sequentially read GCUAAA, then the sequential codons of the mRNA molecule will be CGAUUU.Learn more in:
https://brainly.com/question/1593989?referrer=searchResults
Answer:
CGAUUU
Explanation:
I did the test and got it right kick some butt good luck! =)
PLEASE HELP! im struggling lol
How does solar radiation affect climate?
How do the ocean currents affect climate?
How does climate change affect the ocean?
How does climate change affect the biodiversity of marine ecosystems?
What you think
Source 1
Source 2
Source 3
Summary
Answers
Answer:
Explanation:
question 1
the resulting imbalance between incoming solar radiation also outgoing thermal radiation most likely causes the earth to heat up over the next 10 years.
question 2
much like a conveyor belt, transporting warm water and precipitation from the equator making the cold water from the poled back to tropics
question 3
greenhouse gasses trap more and more energy from the sun, oceans are absorbing the heat at a slower rate.
question 4
climate change due to human activity had a direct impact on marine species
1. Solar radiation drives climate by influencing temperature and weather patterns.
2. Ocean currents distribute heat, affecting regional climate and weather conditions.
3. Climate change causes sea-level rise, ocean acidification, altered currents, and disrupted coastlines.
4. Climate change harms marine biodiversity through temperature shifts, acidification, and habitat disruption.
1. Solar radiation plays a crucial role in driving Earth's climate system. It determines the amount of energy that reaches the Earth's surface, influencing temperature patterns, atmospheric circulation, and the formation of weather systems. Changes in solar radiation can directly impact climate, leading to variations in temperature and weather patterns.
2. Ocean currents have a significant influence on climate. They distribute heat from the tropics to higher latitudes, affecting regional temperature patterns. For example, the Gulf Stream carries warm water from the tropics to the North Atlantic, moderating temperatures in Western Europe. Changes in ocean currents can lead to shifts in climate patterns and weather conditions.
3. Climate change has profound effects on the ocean. Rising temperatures cause thermal expansion, contributing to sea-level rise. Increased carbon dioxide emissions also lead to ocean acidification, which negatively impacts marine ecosystems and organisms like coral reefs and shellfish. Climate change can disrupt ocean circulation and alter precipitation patterns, affecting ocean currents and coastal areas.
4. Climate change poses significant threats to marine biodiversity. Rising sea temperatures and ocean acidification harm marine species, particularly those reliant on specific temperature and pH conditions. Coral bleaching events, driven by climate change, can devastate coral reef ecosystems. Changes in climate can also disrupt food chains and habitats, leading to biodiversity loss in marine ecosystems.
To learn more about radiation follow the link:
https://brainly.com/question/30621213
#SPJ2
The appropriate question is:
1. How does solar radiation affect climate?
2. How do the ocean currents affect climate?
3. How does climate change affect the ocean?
4. How does climate change affect the biodiversity of marine ecosystems?
When were criminals first used to help create a system to help catch other criminals?
the right answer is: during the 1800s
i just took the test on edg! :)
Answers
Answer:
during the 1800s
Explanation:
Fimbrias and pili differ in that
Answers
Answer:
Explanation: true
group of students is walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. What caption can the student use for this picture?
gene mutation in action
gene flow at work
genetic drift as it happens
natural selection in progress
Answers
Answer:The answer is "gene flow at work."
Explanation:
Why is it said that natural selection acts on phenotypes rather than on the genetic material of organisms?
Answers
Answer:
It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.
Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.
Explanation:
hi , guys
who will win icc world test championship final
•india
•new Zealand
Answers
Answer:
•new Zealand
yeah i'm sure
When things are difficult in your course and you are having trouble what resources can you use to help you find the answers?
so can you guys help my. My teacher she ask me that question & i dont have answer for this
Answers
Answer:
You can ask your teacher, or use the resources that they have provided for you. You can also use professional websites that your teacher would approve of.
Explanation:
in the following pedigree, is the disorder's mode of inheritance autosomal dominant autosomal recessive, or X-linked recessive? Explain your reasoning
Answers
In pedigrees the trai of interest is shown in color, meanwhile, sex is represented in squares and circles, so we can see that those that present the trait of interest are circles and squares so we can discard a sex-linked trait either be in chromosome X or Y, now if we look carefully at the color, we can see as long as the color is present the offspring will have also at least 1 color, meanwhile, in the only couple in white the offspring has no color either, this indicates us that this is an autosomal dominant trait.
Ecologists noticed that roadkill numbers increased after the installation of a four-lane highway. Which one of the following is the most likely reason for the increased incidence of dead animals along the roadway?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
pollution
deforestation
urbanization
habitat fragmentation
Answers
Habitat fragmentation is the most likely reason for the increased incidence of dead animals along the roadway
Which one of the following is the most likely reason for the increased incidence of dead animals along the roadway?Habitat fragmentation is the most likely reason for the increased incidence of dead animals along the roadway.When a four-lane highway is constructed, it can cause the destruction or disruption of natural habitats.This means that animals may have to cross the highway in order to travel to different areas.As they do so, they are more likely to be hit by vehicles, leading to an increase in roadkill.Habitat fragmentation can also lead to reduced gene flow, as well as increased competition for food and shelter.As a result, the animals may be more likely to take risks in order to survive, increasing the likelihood of them being hit by cars.In addition, the noise and pollution from the highway can also act as a further barrier to the animals, making it even more difficult for them to navigate safely.To learn more about Habitat fragmentation refer to:
https://brainly.com/question/14086371
#SPJ1
d. What do your data tell you about how the intensity (amount) of light affects
the rate of photosynthesis performed by the plant? Remember that a rate
involves a change in amount over time. Does this answer make sense? Why
or why not?
Answers
This answer is supported by scientific research and makes sense based on the principles of photosynthesis. However, it's important to note that scientific knowledge is continuously evolving, and there may be further advancements or refinements in our understanding of photosynthesis and its relationship with light intensity since my knowledge cutoff in September 2021.
Based on the available data up until September 2021, it is well established that the intensity of light significantly affects the rate of photosynthesis in plants. Photosynthesis is the process by which plants convert light energy into chemical energy (glucose) that they can use as a source of fuel.
In general, as the intensity of light increases, the rate of photosynthesis also increases, up to a certain point. This relationship is often described by the concept of the "light saturation point." At low light intensities, the rate of photosynthesis is limited by the availability of light energy. As the light intensity increases, the rate of photosynthesis also increases because more photons are available for the plant to capture and convert into chemical energy.
However, beyond a certain light intensity, the rate of photosynthesis reaches a maximum level, and further increases in light intensity do not lead to a proportional increase in the rate. This is because other factors, such as the availability of carbon dioxide or the capacity of the plant's biochemical processes, become limiting factors.
look more : photosynthesis
https://brainly.com/question/30218948