Answers
Related Questions
How are enzymes and substrates related?
A. The enzyme and substrate are mirror images of each other.
B. The enzyme and substrate fit together like a lock and key.
C. The enzyme produces the substrate.
D. The enzyme and substrate are identical.
Answers
Answer:
the enzyme and substrate fit together like a lock and key.
TRUE OR FALSE
1. Compressions are regions of low air pressure
2. Sound waves are considered electromagnetic waves
3. Rarefaction region is where the particles are close to one another
4. Sound waves cannot travel in a void space.
5. The wavelength of sound waves can be measured at the distance from one rarefaction to another adjacent comparison
6. Longitudinal waves can have either compression or rarefaction
7. Light waves are transverse waves
8. Light travels faster than sound
9. The speed of light in a certain medium is slower than its speed in a vacuum
10. The higher the frequency of light the longer its wave length
Answers
Answer:
1.True
2.True
3.True
4.True
5.True
6.True
7.True
8.True
9.False
10.True
Explanation:
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A group of scientists have proposed a new theory about chemical evolution. The new theory would be validated (2 points) A. if its findings are non-observable B. after its results are proved non-testable C. if it is accepted as a universal law of nature D. after it is reviewed and approved by other scientists
Answers
Answer: I think a
Explanation: i think A
Answer:
(c)
Explanation;
after it is revised it is approved by other scientists.
What region of the body is the orbital/optic region
Answers
Answer:
eye socket
Explanation:
A display case is shaped like the prism shown below. The bases are right triangles. Find the surface area of the prism.
Answers
The surface area of the prism is approximately 585.27 square units.
To find the surface area of the given prism, we need to calculate the area of each face and then add them up:First, we need to find the area of each triangle base. Let's call the height of the triangle h, and the base b. Then, the area of each triangle is:
A = (1/2)bh
In this case, we have a right triangle, so we can use the Pythagorean theorem to find the height h:
h = √(14^2 - 5^2) = √171
So, the area of each triangle is:
A = (1/2)(5)(√171) = (5/2)√171
Next, we need to find the area of each rectangular face. Let's call the length of the rectangle l, and the height h. Then, the area of each rectangular face is:
A = lh
In this case, we have two rectangular faces, and the dimensions are:
l = 10, h = 14
So, the area of each rectangular face is:
A = (10)(14) = 140
Finally, we add up the areas of all the faces to get the total surface area of the prism:
Surface Area = 2[(5/2)√171] + 2(140) + 10(√171) = 585.27 (rounded to two decimal places)
Therefore, the surface area of the prism is approximately 585.27 square units.
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. A scientist was studying the effects of oil contamination on ocean seaweed. He thought that oil runoff from storm drains would keep seaweed from growing normally so he decided to do an experiment. He filled two aquarium tanks of equal size with water and monitored the dissolved oxygen and temperature in each to be sure they were equal. He introduced some motor oil into one tank and then measured the growth of seaweed in each tank. In the tank with no oil, the average growth was 2.57cm. The average growth of the seaweed in the tank with oil was 2.37cm. Based on this experiment:a. What was the question that the scientist started with?b. What was his hypothesis?c. Identify the independent variable, the dependent variable, and the experimental control(s).d. What did the data show?e. Can he be certain of his conclusion? How can he make his conclusion firmer?
Answers
A.-What was the question that the scientist started with?
What affect does oil contamination have on ocean seaweed?
B.-What was his hypothesis?
His hypothesis is that oil run off would keep seaweed from growing normally.
C.-Identify the independent variable.
The oil.
C.-Identify the dependent variable.
The ocean seaweed.
C.- Identify the control(s).
The water.
D.- What did the data show
The data showed that oil contamination in water does in fact have an affect on ocean seaweed. The plant in water without water grew .20 more centimeters than the plant in the oil contaminated water.
E.-
he can be certain of his conclusion. he can make his conclusion firmer by repeating the experiment with diferent variables and see the conclusion
Phase of meiosis occur
Answers
Meiosis occurs in two main phases: Meiosis I, which involves the separation of homologous chromosomes, and Meiosis II, which involves the separation of sister chromatids.
Meiosis is a complex cellular process that occurs in sexually reproducing organisms to produce gametes (sperm and eggs) with half the number of chromosomes as the parent cell. It consists of two successive divisions, known as Meiosis I and Meiosis II, each with distinct phases.During Meiosis I, the cell goes through the following phases: prophase I, metaphase I, anaphase I, and telophase I. The key events during this phase include pairing of homologous chromosomes (synapsis) and exchange of genetic material between them (crossing over) in prophase I. This is followed by the alignment of homologous chromosomes along the equator of the cell in metaphase I, their separation and migration towards opposite poles in anaphase I, and finally the formation of two haploid daughter cells in telophase I.
Meiosis II, which is similar to mitosis, follows Meiosis I without any DNA replication. The phases of Meiosis II include prophase II, metaphase II, anaphase II, and telophase II. In prophase II, the nuclear envelope breaks down, and the chromosomes condense. In metaphase II, the chromosomes align along the equator of the cell. In anaphase II, the sister chromatids separate and move towards opposite poles. Finally, in telophase II, the nuclear envelope reforms, and four haploid daughter cells are produced.
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A solid reactant is placed into a beaker of a warm water. The liquid vigorously bubbles as the solid dissolves into the solution. What will most likely happen if the temperature of the liquid is slightly reduced?
More bubbles will be produced because the solution is becoming more concentrated.
Fewer bubbles will be produced because of fewer collisions of reactant molecules.
The solid will get smaller at a faster rate because of more collisions of reactant molecules.
The solid will get larger at a slower rate because precipitate is coming out of the solution.
Answers
Answer: Fewer bubbles will be produced because of fewer collisions of reactant molecules.
Answer:
B) Fewer bubbles will be produced because of fewer collisions of reactant molecules.
Explanation:
on Edge
if the temperature increases, then the dissolved oxygen level will _____________ because _______________
Answers
Answer: Lower levels of dissolved oxygen
Explanation:
it lowers the level of dissolved oxygen causing the molecules are moving faster * do to matter*
Organ system campaign advertisement
Answers
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Our goal is simple - to raise awareness about the importance of taking care of all your body's organ systems. Each organ system plays a vital role in keeping your body functioning properly, and neglecting any one of them can have serious consequences for your overall health.
From the circulatory system, which pumps blood and oxygen to your organs and tissues, to the respiratory system, which brings in oxygen and expels carbon dioxide, to the digestive system, which breaks down food and absorbs nutrients, every system is crucial.
Our campaign will focus on educating people about healthy habits, such as eating a balanced diet, staying hydrated, getting enough exercise, and getting regular check-ups with your doctor. We want to empower individuals to take control of their health and make choices that benefit their body's organ systems.
Join us in the fight for healthy organ systems - because a healthy body is a happy body!
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what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answers
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
According to cell theory, which of the following would be composed of cells?
water
rock
air
insect
Answers
Answer:
insect
Explanation:
Who is more closely related, lizards of the same ecomorph, or lizards that live on the same island?
Answers
Answer:
The DNA evidence suggests that species from the same island are more closely related than are species from the same ectomorph group.
Explanation:
This finding supports the hypothesis that most of the lizards on each island evolved independently, in a process of convergent evolution, although there are exceptions.
Which statement best describes renewable resources?
Answers
Answer: I do not know
Explanation:
There are no choices. Please complete your problem.
R
oc
r
r
Complete the cross between two flowers: Rr x rr. R represents a red flower andr
represents a white flower. R is a completely dominant trait.
Based on the monohybrid cross above - What are the expected phenotypes of the
offspring if 4 offspring are produced?
Answers
Answer:
Two would be red and two would be white.
Explanation:
Two Rr and two rr. If it asks about genotypes then two would carry the red gene and are more likely to produce red offspring than the ones with rr.
what is manipulated variable
Answers
Explanation:
A manipulated variable is a variable that is changed by the researcher. A manipulated variable is also called an independent variable. A responding variable is a variable that the researcher predicts will change if the manipulated variable changes.
Answer:
Manipulated Variable: In a process that is intended to regulate some condition, a quantity, or a condition that the control alters to initiate a change in the value of the regulated condition.
Eg: The number of hours spent studying. This is the variable that the teacher manipulates to see how it affects exam scores. Response variable: The exam scores. This is the variable that changes as a result of the manipulated variable is changed.
how do i tell if my bearded dragon has tail rot?
Answers
What do epidemiologists study?
blood and heart diseases
how often a disease occurs in a particular area or group of people
risk factors for different diseases
Non-infectious diseases and their causes
Answers
Answer:
B) How often a disease occurs in a particular area or group of people
Explanation:
Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.
Hope this helps!!! <33333
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Answer:
how often a disease occurs in a particular area or group of people
Explanation:
In the summer squash, the allele for white fruit (F) is dominant over the allele for yellow fruit (f). Likewise, the allele for disc-shaped (D) fruit is dominant over the allele for sphere-shaped (d) fruit. Please note that the gene for fruit color is on chromosome 2 and the gene for fruit shape is on chromosome 11.
Parents: FdDd x FdDd
Select the gamete combination(s) donated by the parent 2.
a. FF
b. FD
c. Dd
d. Fd
e. Ft
f. fd
g. fD
h. dd
i. FfDd
Answers
Answer:
b. FD
d. Fd
c. Dd
h. dd
Explanation:
From the given information:
We are given a dihybrid cross that comprises two traits. The crossing exists between two heterozygous white disc-shaped traits i.e. FdDd.
If the parent self crossed, the gamete combinations for the F1 generation are:
F d
D FD Dd
d Fd dd
Therefore, the gametes combinations are four potential and feasible combinations of FdDd that can enter into the Filial generation crossing.
which macromolecule is involved in how hemophilia is passed
Answers
The macromolecule involved in how hemophilia is passed is DNA, specifically the genes carried on the X chromosome. The inheritance of hemophilia follows a pattern influenced by the presence or absence of the hemophilia gene on the X chromosome.
The macromolecule involved in how hemophilia is passed is DNA, specifically the genetic material carried on the X chromosome.
Hemophilia is an inherited bleeding disorder caused by a mutation in one of the genes responsible for producing clotting factors in the blood. The genes involved in hemophilia, such as the F8 gene (hemophilia A) or F9 gene (hemophilia B), are located on the X chromosome.
The X chromosome is one of the two sex chromosomes, with females having two copies (XX) and males having one copy (XY). Since hemophilia is a recessive trait, it typically affects males more often than females. This is because if a male inherits a defective X chromosome carrying the hemophilia gene, he will develop the disorder since he does not have a second X chromosome to compensate for the mutation.
In females, who have two X chromosomes, hemophilia can be passed on if they inherit a defective X chromosome from both parents. These females are carriers of the hemophilia gene and may not exhibit symptoms themselves but can pass the mutation to their offspring.
The inheritance of hemophilia follows a specific pattern, with affected males having an X chromosome with the hemophilia gene and unaffected males having a normal X chromosome. Female carriers have one normal X chromosome and one X chromosome with the hemophilia gene.
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21: The scientific name of an organism
consists of its
A. family and class.
O B. genus and species.
C. order and family.
O D. species and kingdom.
Answers
Answer:
B
Explanation:
its the genus and specific epithet
PLEASE HELP ME!
where is the good ozone located
where is the bad ozone located
Answers
Answer:
Good ozone-stratosphere
Bad ozone-troposphere
Explanation:
The stratosphere or “good” ozone layer extends upward from about 6 to 30 miles and protects life on Earth from the sun's harmful ultraviolet (UV) rays.
In the troposphere, near the Earth's surface, human activities lead to ozone concentrations several times higher than the natural background level. Too much of this ground-level ozone is 'bad' as it is harmful to breathe and also damages vegetation.
If the [H+] = 10-5 M for an aqueous solution, the pH of the solution is? Is the solution
acidic or basic (alkaline)?
Answers
If the [H⁺] = 10⁻⁵ M for an aqueous solution , the pH of the solution is 5 . the solution is acidic in nature.
The pH formula is given by :
pH = -log [H⁺]
[H⁺] = 10⁻⁵
putting the value of [H⁺] in the formula we get :
pH = - log [10⁻⁵]
pH = 5
The range of pH scale is from 0 to 14 . pH value 7 is neutral and less than 7 is acidic in nature and greater than is basic in nature.
here, the pH value is less than 7 so, the solution is acidic in nature.
Thus, If the [H⁺] = 10⁻⁵ M for an aqueous solution , the pH of the solution is 5 . the solution is acidic in nature.
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If a long tail is a dominant characteristic, in which case is the characteristic of a long tail definitely expressed?
when at least one parent has a long tail
when both parents have a long tail
when neither allele contains instructions for a long tail
when at least one allele contains instructions for a long tail
Answers
Answer:
When both parents have a long tail :)
Explanation:
the short tail trait is now recessive so it cant happen on its own. The offspring will most likely have a long tail just like thae parents :)
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Answer:
When at least one allele contains instructions for a long tail
Explanation:
Gregor Mendel discovered that an organism receives two forms of a gene called ALLELE for a particular trait. Each allele encodes or represent a different trait in that same gene. However, according to Mendel, one allele called DOMINANT allele is capable of masking the expression of the other allele, called RECESSIVE allele. This means that in a heterozygous state i.e. combination of the two different alleles, the dominant trait encoded by the dominant allele will always be expressed.
The main types of molecules in your body are water and carbon-containing organic molecules. To continue to live, you need to consume organic molecules in your food. What does your body use these organic molecules for?
Answers
Answer:
for production of energy
Explanation:
to enable the action of heart beat, keeping the body warm, to build body tissues, etc, while facilitates ones living
1. A yellow legged rooster was crossed with a white legged hen. All fifteen of the offspring were yellow legged. What is the genotype
Answers
They were all affected
Explanation:
did you know that those superheroes and was very hard so I might take is a go for the letter B
Please help me out with this.
Answers
The cell wall protects the cell it acts like a barrier
Which of the following organisms contain one cell, but do not contain a nucleolus?
A. bacteria
B. algae
C. grasses
D. mushrooms
Answers
Answer:bacteria
Explanation:
What might happen if water molecules didn't have a slight negative charge on one end and a slight positive charge on the other?
Answers
The polarity of water molecules is crucial to the formation and stability of cell membranes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes .
Water molecules are composed of two hydrogen atoms and one oxygen atom, and they have a slight negative charge on one end and a slight positive charge on the other.
This arrangement is due to the unequal sharing of electrons between the atoms, with the oxygen atom having a stronger pull on the electrons than the hydrogen atoms. This phenomenon is called polarity, and it is crucial to the unique properties of water.
First, water molecules would not be able to form hydrogen bonds with each other, which are crucial for many of water's unique properties. Hydrogen bonds occur between the positive and negative ends of different water molecules and give water its high boiling point, high surface tension, and the ability to dissolve many substances.
Furthermore, the polarity of water molecules is crucial to the formation and stability of cell membranes. The hydrophilic, or water-loving, heads of phospholipids are attracted to the polar water molecules, while the hydrophobic, or water-fearing, tails face away from the water.
In summary, the polarity of water molecules is crucial to many of its unique properties and is essential to many biological processes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes.
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What is meant by a
mutualistic type of
symbiotic relationship?
A. One organism is unaffected.
B. Both organisms benefit. This
C. One organism is harmed.
Answers
B. Both organisms benefit.
Explanation:Symbiotic relationships are interactions between different species within an environment.
Mutualistic Relationships
Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.
Other Symbiotic Relationships
There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.