This is accomplished by the use of two different photosystems in the light reactions of photosynthesis, one to generate ATP and the other to generate NADPH. Electrons are transferred sequentially between the two photosystems, with photosystem I acting to generate NADPH and photosystem II acting to generate ATP.
The high-energy electron travels down a short second leg of the electron transport chain. At the end of the chain, the electron is passed to NADP +start superscript, plus, end superscript (along with a second electron from the same pathway) to make NADPH.
The light-dependent reactions take place in the thylakoid membrane. They require light, and their net effect is to convert water molecules into oxygen while producing ATP molecules from ADP and Pi and NADPH molecules via the reduction of NADP+.
Learn more about NADPH here
https://brainly.com/question/14870384
#SPJ4
Plants from two different true-breeding P generation lines are crossed to one another and produce offspring. These offspring are allowed to self-fertilize, which results in production of the:
Answer:
F2 generation
Explanation:
choose nine different amino acids that have side chains that are least like water (hydrophobic) and, when incorporated into protein polymer, will make this region less soluble in water.
As a result, they must be derived from food. Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the nine essential amino acids. Amino acids are organic chemicals.
Carbon-hydrogen bonds are found in organic chemicals. All amino acids have the same basic structure. A central carbon atom is linked to a basic amino group, a carboxylic acid group, a hydrogen atom, and an R-group, or side-chain group, in each molecule.
The primary function of amino acids is to serve as protein building blocks. Proteins are typically made up of 50 to 2000 amino acids that are joined end-to-end in a variety of different ways. Each protein has a distinct amino acid sequence in its twisted and folded configuration.
Learn more about amino acids
https://brainly.com/question/28409615
#SPJ4
What are disadvantages of the model of human homeostasis used in the gizmo.
Answer:
Homeostasis of a human body refers to the ability of the body to maintain the stable internal conditions of the changing environment. It help an organism to survive.
The Human Homeostasis Gizmo helps a person to explore and see the human body adapts itself at a nearly constant temperatures in various conditions.
The advantages of the model of the human homeostasis used in the gizmo is that it can explore and predict how the human body maintains its normal condition as to approximation. One of the disadvantage is that it cannot predict the actual conditions for the survival of the organisms that it needs to maintain its body temperature or conditions.
Is astrology an example of science or pseudoscience? Explain your answer.
Answer:
Pseudoscience
Explanation:
Astrology provides a quintessential example of a pseudoscience since it has been tested repeatedly and failed all the tests and it has not demonstrated its effectiveness in controlled studies and it has no scientific validity.
From the Global Pandemic video , what is Covid-19 and why is the
effectiveness of "herd immunity" so hotly debated within the
scientific community?
Covid-19 is a respiratory illness caused by the SARS-CoV-2 virus. The effectiveness of "herd immunity" in controlling the spread of Covid-19 is hotly debated within the scientific community due to various factors such as vaccine coverage, virus variants, and ethical considerations.
Covid-19 is a highly contagious viral disease that has caused a global pandemic. Herd immunity refers to a scenario where a significant portion of the population becomes immune to the virus, either through vaccination or prior infection, reducing its ability to spread. However, the effectiveness of achieving herd immunity for Covid-19 is debated due to several reasons. Factors like vaccine coverage and efficacy, the emergence of new virus variants, duration of immunity, and ethical concerns related to infection rates and potential harm need to be considered.
The debate surrounding the effectiveness of herd immunity for Covid-19 stems from complexities related to vaccine coverage, virus variants, immunity duration, and ethical considerations. It highlights the need for ongoing scientific research and discussions to better understand and address the challenges associated with achieving herd immunity in the context of this global pandemic.
To know more about Covid-19 click here:
https://brainly.com/question/32751779
#SPJ11
1.4.7. how do you know if something is a fruit? function of fruit? how are all fruits divided (based on what characters)? what will disperse the fruit based on the fruit characteristics.
According to their botanical origin, fruits and vegetables are divided into different categories. The flower of a plant produces a fruit, while the rest of the plant is classified as a vegetable. Fruits have seeds, whereas vegetables might have stems, leaves, and roots.
Vegetables are plant portions that are eaten as food by people and other animals. The original definition is still frequently used to refer to all edible plant material, including the flowers, fruits, stems, leaves, roots, and seeds, when applied to plants as a whole. A different definition of the phrase is frequently used arbitrarily, according to ethnic and culinary traditions. Foods made from some plants' fruits, flowers, nuts, and cereal grains may not be included, however savoury fruits like tomatoes and courgettes, floral foods like broccoli, and seeds like pulses are. Vegetables were first gathered in the wild by hunter-gatherers and then brought into cultivation in numerous locations around the world, most likely between the years 10,000 BC and 7,000 BC, when a new agricultural way of life emerged. Initially, only plants that grew nearby would have been farmed, but throughout time, trade brought exotic crops from other places to complement domestic varieties. The majority of vegetables are now grown wherever the climate allows, and crops can be grown in sheltered habitats in less ideal places. Veggies cultivated outside of China are available to customers because to international trade in agricultural goods. China is the world's greatest producer of vegetables.
To learn more about vegetables here
https://brainly.com/question/5025184
#SPJ4
Which of the following are elements? (Select all that apply.)
Na
H2O
C
KCl
Grade -5-
Answer:
Na & C
Explanation:
Yellow light travels through a certain glass block at a speed of 3 * 108 m/s . The wavelength of the light in this glass is 3.81 * 10 - 7m . What is the frequency?
Answer:
f = 7.87×10¹⁴ Hz
Explanation:
Given data:
Speed of light = 3×10⁸ m/s
Wavelength of light = 3.81 ×10⁻⁷ m
Frequency of light = ?
Solution:
Formula:
Speed of wave = wavelength × frequency
Now we will put the values in formula.
3×10⁸ m/s = 3.81 ×10⁻⁷ m × f
f = 3×10⁸ m/s / 3.81 ×10⁻⁷ m
f = 0.787 ×10¹⁵ s⁻¹
s⁻¹ = Hz
f = 0.787 ×10¹⁵ Hz
f = 7.87×10¹⁴ Hz
it is found that many regulatory genes have been co-opted for the development of different structures, such as limbs or digits. this is an example of what type of biological research?
The given statement "it is found that many regulatory genes have been co-opted for the development of different structures, such as limbs or digits," is an example of evolutionary developmental biology or "evo-devo."
This is a relatively new field of research that aims to understand how evolution has led to the development of biological organisms.
Evo-devo seeks to examine the developmental processes that give rise to the complex and diverse structures of living organisms. This is achieved by studying the genetic mechanisms that control how cells differentiate and grow during development and how these mechanisms have evolved over time.
Evo-devo research can help to explain how regulatory genes, which are genes that control the expression of other genes, have been co-opted for the development of different structures.
For example, some of the regulatory genes that control the development of limbs and digits in animals are also involved in the formation of other structures such as wings in birds or fins in fish. evolutionary developmental biology is a new field that studies how the evolution of organisms over time has contributed to the development of diverse and complex biological structures.
Through examining the genetic mechanisms behind the differentiation and growth of cells during development, evo-devo can reveal how regulatory genes, which control the expression of other genes, have been used to create different structures. Some of these regulatory genes are involved in the formation of not only limbs and digits but also wings in birds and fins in fish.
learn more about biological research here
https://brainly.com/question/30394395
#SPJ11
Mosquitoes are able to walk on top of the water in a pond without falling in. Which of the following explains why this is possible?
A
gravity
B
adhesion
C
surface tension
D
convex meniscus
Answer:
B. Surface Tension
Explanation:
"The force they exert downward is less than the forces exerted among the water molecules on the surface of the pond, so the insect does not penetrate beneath the surface of the water."
Answer:
C
Explanation:
The force they exert downward is less than the forces exerted among the water molecules on the surface of the pond, so the insect does not Penetrate beneath the surface of the water.
identify what is being asked in each item.?
______1.this layer is made up of melted metals such as iron and nickel.
______2.the layer of the erath that is divided in two layers.
______3.it is the thickest layer of the earth.
______4.this layer of the earth is composed mainly of solid iron and nickel.
______6.it is the thinnest layer of the earth.
Answer:
1. outer core
2. lithosphere
3.mantle
4. inner core
6. crust
Which organ is responsible for storing bile?
Pancreas
Gallbladder
Stomach
Liver
The organ responsible for storing bile is the gallbladder. So, the correct choice is Gallbladder.
The gallbladder, located beneath the liver, is the organ responsible for storing bile. Bile is a greenish-yellow fluid that aids in the digestion and absorption of fats.
It is produced by the liver and then transported to the gallbladder for storage. When we consume a meal containing fats, the gallbladder contracts and releases stored bile into the small intestine through the bile ducts. Bile helps in emulsifying fats, breaking them down into smaller droplets, which increases the surface area for enzymes to act upon. This process enhances the absorption of fats and fat-soluble vitamins in the small intestine.
The storage and controlled release of bile by the gallbladder ensure that an adequate amount of bile is available for the digestion and absorption of fats whenever required.
For more questions on organ
https://brainly.com/question/30840184
#SPJ8
The farmer decided that there was no need to add more than 60 kg of fertiliser for Hector explain all the results of the experiment support her decision
The fertilizer must be added according to the land space available.
Why do we add fertilizer?The reason why a farmer would have to add fertilizer to the farm is so that there would be a better yield of the crops that the farmer is trying to plant. It is true that there are nutrients in the soil but they often need to be supported by the use of fertilizer.
Actually, we can find out that fertilizer is added on the bassi of the kind of space that the land occupies. You can't add more fertilizer than the availaible space. This is why the farmer decided that there was no need to add more than 60 kg of fertilizer for Hector.
Learn more about fertilizer:https://brainly.com/question/14012927
#SPJ1
All of the following are true regarding phytochemicals except the statement that they Group of answer choices are naturally occurring chemicals in plants. have health effects. are found in legumes, nuts, seeds, and grains. are essential nutrients.
The statement that is false about phytochemicals is that they are essential nutrients.
WHAT ARE PHYTOCHEMICALS?Phytochemicals are secondary metabolites of plants. Secondary metabolites means that they are secreted by the plants but not needed.
Phytochemicals possess the following characteristics:
They are naturally occurring chemicals in plantsThey have health benefitsThey can be found in legumes, nuts, seeds, and grains.Therefore, the statement that is false about phytochemicals is that they are essential nutrients.
Learn more about phytochemicals at: https://brainly.com/question/14834940
a girl walks 32.5 m east, then another 20 meters west. calculate her
relative to where she started.
26.5 meters east
12.5 meters west
12.5 meters east
32.5 meters east
The girl's relative position to where she started is 26.5 meters east and 12.5 meters west.
Here, correct option is B.
The girl started from an initial position. She then walked 32.5 meters east, which is equivalent to moving in a positive direction from her starting point. After that, she walked 20 meters west, which is equivalent to moving in a negative direction from her starting point.
Thus, her relative position to where she started is 26.5 meters east and 12.5 meters west. This means that she is now located 26.5 meters east and 12.5 meters west of her initial position.
This calculation is based on the fact that east is a positive direction and west is a negative direction. Therefore, her new position is 12.5 meters east and 12.5 meters west from her starting point.
Therefore, correct option is B.
Know more about positive direction here
https://brainly.com/question/30032580#
#SPJ11
which molecule most likely has the greastest amount of stored energy in its bond
Answer:
O=C=O
Explanation:
Which structure(s) carries blood to the heart so the heart has its own supply of oxygen and nutrients to perform its function?
pulmonary artery
coronary arteries
superior vena cava
inferior vena cava
Answer:
The coronary arteries
hope it helped
Explanation:
The structure that carries blood to the heart so the heart has its own supply of oxygen and nutrients to perform its function is called the coronary artery.
How heart plays its function in the supply of oxygen?
The cardiovascular system is responsible for the pumping of blood from the heart to the lungs to get oxygen. The heart sends this oxygenated blood through the arteries to the rest of the body.
The two components arteries and veins play an important role in the separation of rich oxygen blood from poor oxygen blood. The arteries take oxygenated blood and nutrients from your heart to the rest body, while veins take poorly oxygenated blood from your body to the heart.
Therefore, it is well described above.
To learn more about the Functions of the heart, refer to the link:
https://brainly.com/question/15491861
QUESTION 50 Efficacy trials are studies that are used to test or establish that a particular intervention can change a condition in the population True False QUESTION 49 Dysthymia is defined as having depression symptoms for the past year, and it affects 1.5% of the U.S. adult population.
49. The statement "Dysthymia is defined as having depression symptoms for the past year, and it affects 1.5% of the U.S. adult population" is true.
50. The statement "Efficacy trials are studies that are used to test or establish that a particular intervention can change a condition in the population" is true.
Dysthymia, also known as persistent depressive disorder (PDD), is a type of mood disorder that is defined as having symptoms of depression for at least two years. It affects about 1.5% of the adult population in the United States. Symptoms of dysthymia include a depressed mood, low self-esteem, and feelings of hopelessness or helplessness. People with dysthymia may also experience fatigue, difficulty concentrating, and changes in appetite or sleep patterns.
Efficacy trials are studies that are conducted to test or establish that a particular intervention or treatment can change a condition or improve health outcomes in the population. These trials are conducted in a highly controlled environment, such as a laboratory or a clinic, and follow strict protocols to ensure that the intervention is administered in the same way to all participants.
Learn more about Dysthymia: https://brainly.com/question/25710386
#SPJ11
Each body cell of an octopus contains thirty-two chromosomes. The number of chromosomes in an octopus egg will be
Answer:
16 chromosomes because if a body cell (diploid) has 32 chromosomes, you need to divide it by 2 to get your egg cell
Explanation:
What is the purpose of the body farm the remains of doctor bass?
In 1981, Bill Bass and his students constructed the Anthropology Research Facility, also referred to as the Body Farm, and started using donated bodies. In addition to studying changes to the bodies themselves, the institution also conducts research on the impacts of trauma, water, trauma, weather, and various types of burial.
What does the Body Farm Dr. Bass serve to accomplish?
Tennessee State University.
Dr. William M. Bass, a forensic anthropologist, founded it as a facility for the investigation of the disintegration of human remains in late 1980.
What did the Body Farm serve to accomplish?
The outdoor location, also referred to as the "Body Farm," is 2.5 acres of shaded land where human donors are interred, covered in some way, or left exposed to the elements so forensic anthropologists can study them.
To know more about anthropology visit:
brainly.com/question/14891261
#SPJ4
What are the 3 ways that biology has an impact to society?
Advances in biology have helped in develop better medicines and treatments for diseases, understand how a changing environment might affect plants and animals, produce enough food for a growing human population
a. Biology, which is the study of life, is essential to human society because it gives an understanding of how life is formed and how it works, changes and responds to environmental influences.
b. Biology explains the very existence of any form of life, from the unicellular to the most sophisticated organisms of all – the human being.
c.Biology can aid in the prevention or cure of diseases, and adds tools for managing the environment. It leads to knowledge that helps prolong life and improve its quality
To know more about disease click here
https://brainly.com/question/934133
#SPJ4
Biology teaches us about the living world and how its many species, including humans, work, change, and interact with each other.
The investigation of living things is the primary focus of the scientific discipline of biology.
Second, it offers a comprehensive and in-depth explanation from a scientific standpoint of the ways in which all living and nonliving organisms interact with one another.
Thirdly, Biology sheds light on the incredible variety of life forms that exist.
To learn more about scientific click here:
brainly.com/question/14054950
#SPJ4
5. describe the trend in the presence of smooth muscle as one proceeds from the larger structures of the respiratory tree, to the smaller structures. what effect does each of the two divisions of the autonomic nervous system (ans) have on this smooth muscle?
As one proceeds from the larger structures of the respiratory tree, such as the trachea, to the smaller structures, such as the bronchioles, the presence of smooth muscle decreases.
The trachea and bronchi contain a thick layer of smooth muscle, allowing for strong contractions and dilation of the airways. However, as the bronchioles become smaller, the smooth muscle layer becomes thinner and less prominent.
The two divisions of the autonomic nervous system (ANS), the sympathetic and parasympathetic systems, have different effects on the smooth muscle of the respiratory tree. The sympathetic nervous system is responsible for the "fight or flight" response and causes the airways to constrict and the heart rate to increase. This can lead to bronchoconstriction, making it harder to breathe. On the other hand, the parasympathetic nervous system is responsible for the "rest and digest" response and causes the airways to dilate and the heart rate to decrease. This can lead to bronchodilation, making it easier to breathe.
Learn more about autonomic nervous system here:
https://brainly.com/question/9515388
#SPJ4
Sealing off asbestos instead of removing it is called group of answer choices encapsulation capping irresponsible remediation extended liability
Sealing off asbestos instead of removing it is called encapsulation .
The correct option is A .
Encapsulation refers to the process of sealing off asbestos-containing materials instead of removing them. This involves applying a protective coating or enclosure to prevent the release of asbestos fibers into the air.
Encapsulation is often done as a method of asbestos remediation to minimize the risks associated with asbestos exposure. It is considered an effective approach when the asbestos materials are in good condition and not easily disturbed. Encapsulation helps to maintain the integrity of the asbestos materials and reduce the potential for asbestos-related health hazards. However, it is important to note that encapsulation is not a permanent solution and may require periodic monitoring and maintenance to ensure its effectiveness.
Hence , A is the correct option
To learn more about Encapsulation , here
brainly.com/question/13147634
#SPJ4
Plants send what into the air?
A. Water vapor
B. Rainfall
C. Clouds
D. Snow
Answer: Water vapour
Explanation:
the proteins that make up the cytoskeleton of bacteria are similar to _______ in eukaryotic cells.
The proteins that make up the cytoskeleton of bacteria are similar to actin in eukaryotic cells.
The cytoskeleton is a network of protein fibers that provides structural support, shape, and organization to cells.
In bacteria, the primary protein that forms the cytoskeleton is called MreB, which is structurally and functionally similar to actin in eukaryotic cells.
Both MreB and actin are responsible for cell shape maintenance, cell division, and play a role in cellular movements.
The bacterial cytoskeletal proteins are analogous to actin in eukaryotic cells, as they share similar structures and functions in maintaining cell shape, division, and movement.
For more information on cytoskeletal kindly visit to
https://brainly.com/question/13021635
#SPJ11
the most frequent kind of mutation, a point mutation, occurs when: (select all that apply.) A. open reading frames are altered. B. None of the other answer options is correct. C. a block of nucleotides is rearranged. D. DNA repair mechanisms fail. E. a single base pair is replaced by another.
A single base pair gets replaced by another in point mutations, the most common kind of mutation.
What causes mutation?Mutations can be brought on by mistakes in DNA replication during cell division, exposure to gene mutations, or viral infection. Germline mutations, which occur in eggs and sperm as opposed to somatic mutations, which occur in body cells, can be passed on to offspring.
What makes mutation significant?Evolution relies heavily on mutation. Mutation is the primary cause of all genetic diversity. Because it generates a new Genetic code for a particular gene, mutation is crucial as the initial stage of evolution since it results in the creation of a new allele. Gene alterations that are basically present in every cell in the human body cause many hereditary diseases. These illnesses thus frequently impact many bodily systems, and the majority cannot be treated.
To know more about Mutation visit:
https://brainly.com/question/17130462
#SPJ4
What liquid was used to dilute the yogurt so it was easier to see the bacteria on the slide?
Yogurt is typically diluted with water before being used as a sample for microscopic examination. It is simpler to examine the bacteria and other yogurt ingredients under a microscope thanks to the water's assistance in separating and dispersing them. Yet occasionally, different liquids, including saline solution or buffer solutions, can also be utilized for this.
Under a microscope, how do you see the microorganisms in yogurt?Locate a region of the yogurt that is relatively thin under low power; this is where the bacteria are. For a better look of the bacteria, change the magnification to high power (400X for most microscopes). These tiny organisms will be significantly easier to see if your microscope has an oil immersion lens.
How can bacteria be separated from yogurt?By homogenizing and dissolving curds under alkaline conditions, as well as by subjecting them to lysis with proteases or surfactants, it is possible to separate LAB from yogurt (Gunasekera et al., 2002). Centrifugation is used to gather the cells following these procedures.
To know more about bacteria visit:-
brainly.com/question/8008968
#SPJ9
Bacteria are
genetically modified
to grow...
A. crops to farm.
B. insulin and human growth hormone.
C. ingredients for make up products.
D. growth media for microbiology.
Answer:
B.
Explanation:
Have a nice day :),and hope this helps
Answer: B. insulin and human growth hormone.
Explanation:
12. Root resorption is correlated to the pattern of stress distribution in the PDL and type of tooth movement. A. False B. True
B. True
Root resorption is indeed correlated to the pattern of stress distribution in the periodontal ligament (PDL) and the type of tooth movement.
Root resorption refers to the breakdown or loss of tooth root structure, and it can occur during orthodontic tooth movement. The periodontal ligament (PDL) plays a crucial role in transmitting forces from orthodontic appliances to the tooth roots. Different types of tooth movement, such as tipping, rotation, intrusion, or extrusion, create varying stress patterns within the PDL.
When a tooth is subjected to orthodontic forces, the PDL experiences mechanical stress. This stress is distributed in a specific pattern depending on the type of tooth movement. The distribution of stress can influence the likelihood and severity of root resorption.
For example, excessive or unbalanced forces applied to a tooth during orthodontic treatment can result in increased stress concentration in certain areas of the PDL, leading to localized root resorption. On the other hand, proper force application and controlled stress distribution can minimize the risk of root resorption.
Learn more about periodontal ligament
brainly.com/question/33580635
#SPJ11
HELP PLS !! no links :)
14. Which of the following groups contain only non-renewable resources?
a. petroleum, coal, wood, water
b. copper, aluminum, water, wood
c. petroleum, copper, coal, wood
d. petroleum, copper, coal, aluminum
Answer:
If you havent figured it out the answer is D. Petroleum, Copper, Coal, and Aluminum
Explanation:
Hope it helps.