rite a brief summary of the process of photosynthesis. be sure to include a description of the reactants and products, the location of the process in the plant and plant cell, and the methods that can be used to measure the rate of photosynthesis.
According to the definition of photosynthesis, the process only occurs in the chloroplasts using photosynthetic pigments like carotene, xanthophyll, chlorophyll a, and b.
Photosynthesis is a process used by all green plants and a few other autotrophic organisms to create nutrition from carbon dioxide, water, and sunlight. Oxygen is a byproduct of the photosynthesis process. In the presence of sunlight, which serves as a catalyst, the process' reactants are carbon dioxide and water, while its output is glucose and oxygen. By confining a leaf in a closed, transparent chamber and monitoring the decline in carbon dioxide content as a function of time, the rate of photosynthesis may be calculated.
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Human height shows a continuous variation from the very short to the very tall. Height is most likely controlled by?.
Most people's height is determined primarily by a combination of genetic variants with modest effects on height, as well as a smaller contribution from environmental factors (such as nutrition).
More than 700 such gene variants have been identified, with many more expected. Human characteristics such as height, eye color, and hair color vary slightly because they are controlled by many genes, each of which contributes a small amount to the overall phenotype. Height, skin color, and eye color are three examples of polygenic traits in humans. Multiple genes control these characteristics. Polygenic traits do not follow Mendel's pattern of inheritance because multiple genes are involved.
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the process of balance ion concentration by movement of fluid through a semipermeable membrane is known as group of answer choices osteoporosis. nerve impulse transmission. osmosis. diuresis.
Option C is the correct answer. Osmosis is the process of balancing ion concentration by the movement of fluid through a semi-permeable membrane.
Osmosis can be defined as the process of balancing the concentration of Ions from a Higher concentration to a lower concentration by the movement of a fluid through a semipermeable membrane. This process basically balances out the concentration of the ions where the concentration is lower.
Osmosis is responsible for balancing the concentration of ions from a region where the concentration is higher and the ions move from the higher concentration region to the lower. This makes sure that the environment is in a state of equilibrium.
Hence, Option C is the correct answer.
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My question is about nervous system What are the main features of the anatomy (body parts) and physiology (what do the parts do) of the system? Accessory organs?
The nervous system is divided in two parts:
The central nervous system (CNS)
The peripheral nervous system (PNS)
1. CNS
The CNS consist of the brain and the spinal cord and its main function is to integrate and command the body. It uses the information obtained from the entire body and uses it to coordinate the organism's activity.
The brain is located inside the skull and the spinal cord is located inside the vertebrae. This helps protect the CNS.
The tissue that conform the CNS is grey matter (consists of neurone cell bodies and their dendrites, glial cells and capillaries) and white matter (host the majority of axions which are the long cords that extend from neurons).
2.PNS
The PNS consists of nerves that branch fromm the spinal cord and cover the entire body. It is formed by 12 pairs of cranial nerves, 31 pairs of spinal nerves and some small neuronal clusters called gaglia.
The PNS is the connection between the CNS and the body.
The PNS has no bone protection
Together the CNS and the PNS form the nervous system and transmit signals between the brain and the rest of the body, controlling the ability to move, breathe, see, think and many more.
The 3 accessory organs of the nervous system are:
The meninges: it is a set of 3 membranes that cover the brain and the spinal cord.
The cerebrospinal fluid: it is a lymph-like fluid that acts as a protective cushion for the CNS.
Ventricles: these are cavities that contain ependymal cells and blood vessels
Please help this is for a biology test!!
A molecule that has more than two carbon atoms is called a(n) ________.
Answer:
ethylene
Explanation:
It is the simplest of the alkenes, consisting of two carbon atoms connected by a double bond.
As cell division proceeds in multicellular organisms, the cells differentiate. What is the primary effect of cell differentiation on the organism?.
In multicellular organisms, cell differentiation occurs while cell division occurs. The fundamental impact of cell differentiation on the organism It permits the organism to enlarge itself.
The importance of cell differentiation in multicellular organisms?A multicellular creature needs differentiated cells because they can carry out specialized tasks for the body. Specialization, though, has a price. The trade-off is that differentiated cells frequently lose their capacity to proliferate.Environmental variables can also affect cell differentiation and gene expression. For instance, temperature, salinity, and the amount of available nutrients can all affect how an organism's genes are expressed.The Himalayan rabbit's genes that control fur color are activated and inactivated in response to temperature.To learn more about Cell differentiation refer to:
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what are similarities and differences between simple diffusion, facilitated and active transport? which requires energy and which does not? which process requires channel proteins for molecules to move through the plasma membrane?
The similarities and differences between simple diffusion, facilitated and active transport is:
Simple Diffusion:- It is the mechanism by which solutes are transported through a semipermeable membrane and down the gradient of concentration in a solution. In this phase of diffusion, where molecules migrate from a higher concentration to a lower concentration, the assistance of membrane proteins is not necessary. This process does not require any energy and channel proteins for molecules to move through the plasma membrane.
Facilitated Diffusion:- Diffusion that is facilitated occurs when molecules move passively across a cell membrane with the help of a membrane protein. Molecules that are unable to freely cross the phospholipid bilayer make use of it. this process also do not require energy.
Active transport:- Active transport is the transfer of dissolved molecules from a location of lower concentration to a region of higher concentration across the cell membrane. The particles use the energy released during respiration to move against the concentration gradient.
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in an experiment examining the effect of leptin on the hunger of rats, rats in the treatment group are given leptin shots and rats in the control group are given a shot of an inactive substance such as saline.
True, Typically, two groups are used in an experiment, and one is contrasted with the other. The experimental group is the first group, and the control group is the second.
The independent variable that is being tested for is altered for the experimental group because they are given the test sample or go through the experimental process.
The independent variable is held constant for a control group because they do not participate in any experimental testing. On the basis of the aforementioned data, it can be deduced that the rats in the experiment are divided into two groups: those that get leptin are the experimental group, and those who receive no treatment are the control group.
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In 35 words or fewer, describe the inferences you could make about
the ecology of salmon.
Answer:
Salmon act as an ecological process vector, important in the transport of energy and nutrients between the ocean, estuaries, and freshwater environments
50% of the offspring's phenotypes will show the recessive trait.
True
False
Answer:
False.
Explanation:
In the given Punnett Square, while there are two offsprings with the recessive trait, the dominant trait will show up. This means that they will carry the trait, but the recessive trait will not show.
Dominant trait is defined as "the characteristic that appears in an offspring".
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What are organisms that can produce their own food through the process of photosynthesis?.
Answer:
Any kind of plant, really!
Explanation:
Plants pursue photosynthesis. Cactuses, Roses, Sunflowers, succulents!
By coupling the release of energy from the breakdown of glucose to the synthesis of atp,.
What best describes mitochondrial dna (mtDNA)?
Please help quickly due in an hour
Answer: The altitude of Polaris when it is viewed from the top of new york state's mt. Marcy is 44 degrees.
Explanation:
the liver is a glandular organ that functions to secrete many substances to the blood or digestive tract, detoxify chemicals and synthesize molecules utilized by all the cells of the body. what do you think is its likely histologic composition?
The liver with its histologic composition as mostly epithelial tissue, is a glandular organ that functions to secrete many substances to the blood or digestive tract, detoxify chemicals and synthesize molecules utilized by all the cells of the body.
What is an epithelial tissue?
An Epithelial tissue is one of the four tissue types in living things. Epithelial tissues are thin tissues that cover all the exposed parts of the body form ing the external skin, the inner lining of the mouth, the ventricular system of the brain, the lining of hollow parts of every organ such as the heart, lungs, eyes, ears, secretory glands, the urogenital tract, as well as the ventricular system of the brain and central canals of the spinal cord, digestive tract etc.
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you label newly synthesized protein within a cell with a chemically distinct amino acid that is normally not present within the cell. where would you most likely detect complete translation of transcription factors?
complete translation of transcription factors are detected in the endomembrane system.
The protein is fed into the endoplasmic reticulum (ER) as it is translated, or it stays in the cytosol for the duration of translation at this step. If a protein contains a signal peptide, an amino sequence, it is fed into the ER during translation. Proteins that are typically bound for endomembrane system organelles (including the ER, Golgi apparatus, and lysosome) or for the cell's outside must enter the ER at this time. For the remainder of translation, proteins lacking a signal peptide remain in the cytosol. They will remain in the cytosol for all time if no other "address labels" are present. If they are labeled properly, they can be delivered to the mitochondria, chloroplasts, peroxisomes, or nucleus after translation.
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Define homeostasis. Explain how the human body would respond to having a higher than normal level of sugar in the bloodstream.
The self-regulating process by which an organism can maintain internal stability while adjusting to changing external conditions is known as homeostasis.
To provide energy to the body's cells, the bloodstream transports glucose, a type of sugar produced by the digestion of carbohydrates and other foods. Glycogen is primarily stored in the liver as unutilized glucose.
The hormones insulin, glucagon, and others fluctuate to maintain normal blood sugar levels. Blood sugar levels can fall too low called hypoglycemia or rise too high called hyperglycemia if either too little or too much of these hormones are present.
After a meal, blood glucose levels typically rise. Cells in the pancreas release insulin when blood sugar levels rise. This causes the body to absorb glucose from the blood and returns blood sugar levels to normal. The pancreas other cells release glucagon when blood sugar drops too low, causing the liver to convert stored glycogen back into glucose and release it into the blood. As a result, blood sugar levels return to normal.
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when the his- salmonella strain used in the ames test is exposed to substance x, no his revertants are seen. however, when rat liver enzymes are added to the cells along with substance x, his revertants do occur. rat liver enzymes alone cannot induce reversion. how can you explain this result?
The result of this experiment is well explained by the fact that substance X is a potential carcinogen that processes the substance and transforms them into other components along with rat liver enzymes.
What is the Ames test?The Ames test may be defined as a type of test that is significantly utilized in order to examine the capability of generating mutagens with the presence of a chemical or an enzyme.
According to the context of this question, the positive Ames test indicated that the chemical is mutagenic in nature and can function as a carcinogen. This is due to the fact that cancer is directly linked with the mutation.
Therefore, the explanation of the obtained result along with the definition of the Ames test is well described above.
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When the water leaves plants through transpiration, what substance are the
molecules?
Answer:
they attract the water molecules still in the plant, helping to pull water up through the stems from the roots
You are studying a gene that, when mutant, causes oligodendrocytes to enwrap sections of axon so that nodes of ranvier are more closely spaced. What is the likely effect on nerve impulses?.
In gene a mutant, causes oligodendrocytes to enwrap sections of axon so that nodes of ranvier are more closely spaced then they will travel slower.
The fundamental physical and functional unit of heredity is a gene. DNA constitutes gene. Some genes serve as instructions for producing molecules known as proteins. Many genes, however, do not code for proteins. From a few hundred DNA bases to more than 2 million bases, human genes can range in size. Between 20,000 and 25,000 genes are thought to be present in humans, according to the Human Genome Project, a multinational scientific project that aimed to decipher the human genome's sequence and catalog its genes.
Each gene is present in two copies in every person, one from each parent. Less than 1% of all genes are slightly variable from person to person, but the majority of genes are the same in all people.
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Its gloomy outside like my soul just turned T-T brainly why why why why ??!!!
Answer:
The answer is A
Explanation:
because yeah
Explanation:
the for the question is A
???? A mother with type O blood and a father with type A blood have three children
Blood type can also be called blood group. The most commonly used blood grouping system is the ABO blood group system. According to it, there are four types of blood groups: A, B, AB and O. This classification is made on the basis of presence or absence of certain antibodies and antigens.
Genotype is defined as the genetic composition of an organism. It depicts the complete set of genome.
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As part of an experimental procedure, an organ is removed from an animal. Which of the following would most likely be the result of this procedure? Responses The cells of the organ would begin to multiply. The cells of the organ would begin to multiply. The organism would not be affected. The organism would not be affected. The system from which the organ came would fail. The system from which the organ came would fail. The tissues in the organ would take on new functions .
If an organ is removed from a system, the system from which the organ is removed is bound to fail.
Level of organization of lifeLife is organized as cells, tissues, organs, and systems.
The basic unit of life is the cell. Above this is the tissue. Tissues are made from 2 or more cells that come together to perform similar functions.
Two or more tissues performing similar roles come together to form different organs. A system consists of different organs performing a common role.
Each organ in a system is a unit of production. It is a division of labor in a production process.
If an organ is not in place, the production process will halt.
Thus, the removal of an organ from a system will lead to the failure of the system from which the organ was removed.
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In terms of plate tectonics, where would you expect metamorphic rocks to be currently
in the process of forming? Why? (both in general terms and specific locations)
In terms of plate tectonics, metamorphic rocks in the process of forming is found in the place or area where the plates meet.
What is Metamorphic rock?This type of rock are formed when the preexisting ones are transformed into a new one and they are formed deep in the earth or at the area where the tectonic plates sue to increase in temperature, pressure etc.
Metamorphic rock is formed from the combination of of these factors. The rock is present deep within the Earth or where tectonic plates meet which is what is responsible for the combination of different elements in other to form a new one.
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What organisms are able to do photosynthesis?
1. Plants and some bacteria
2. Plants and animals
3. Animals
4. Just plants
which type of control is described by a process that blocks the production of mrna? this would occur when the cell simply doesn't synthesize the enzymes needed for metabolite consumption.
Gene expression can be described as the type of control that blocks the production of mRNA.
Gene expression can be described as the ability of a gene to be transcribed and translated. The expression of a gene depends on the requirement of the protein that it forms in the body.
If a protein that is synthesized by a particular gene is already present in enough amounts in the body, then the gene expression needs to be stopped. This can be done by blocking the synthesis of mRNA. If mRNA synthesis is blocked, the no ore proteins that were being formed from the expression of that gene will be able to form.
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What abiotic and biotic factors describe a biome?
Give examples for a specific biome.
Answer: Abiotic factors, which are the nonliving components, that describe a biome, include the climate, amount of precipitation, and soil type. On the other hand, biotic factors, which are the living components, include the plant and animal life.
Explanation:
Choose one abiotic and one biotic factor from your ecosystem. Imagine that they were suddenly removed. How would your ecosystem change? Tell me which factors you removed and how would your ecosystem change.
Answer:
Abiotic factor: Water | Biotic factor: Trees
Explanation:
Abiotic factors are non-living components within an ecosystem. Biotic factors are living organisms within an ecosystem. By removing the abiotic factor, water, an ecosystem will drastically decline. Just like humans, plants and animals depend on water. When drought hits, food supplies can be reduced and habitat compromised. Damage may be temporary, and habitat and food supplies may return to normal once the drought is over. By removing the biotic factor, trees, an ecosystem will suffer from material loss and climate change. Without trees, the land would be hot and dry, and dead trees would inevitably lead to large wildfires. This causes sun-blocking soot to blanket the skies, leading to years of crop failure and global famine.
if there is a high concentration of substances inside of thecell and a low concentration of substance ousdieof the cell wich direction will the flow of the concentraton gradiant be
The concentration gradient will be in the direction from the cell to the outside of the cell .
What is concentration gradient and how the direction is from inside to the outside ?Concentration gradient will be from inside of the cell to the outside of the cell that is from high concentration to the low concentration.The concentration of substances inside the cell if given to be more than the concentration of the substance inside the cell.We have always studied that the direction of concentration gradient is from high to low.Since the concentration inside is high so the direction will start from the higher concentration. To the place where concentration is low that is outside of the cell.To know more about concentration gradient visit:
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What could you add to this model to show the role of photosynthesis and cellular respiration in the
cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere?
Answer:
The Carbon cycle is the biogeochemical cycle by which carbon is exchange among the biosphere, Pedosphere, geosphere, hydrosphere, and atmosphere of the Earth
I Hope I'm right