Answer:
C
Explanation:
For mutation to occur
It must affect hereditary material
Proteins that assist in the movement of substances across membranes can be classified into two types based on how they move solutes across a membrane:
Proteins that assist in the movement of substances across can be classified into two types which are:
Carrier proteinsChannel proteins What are Proteins?These are biological molecule which consists of amino acid sequences and are involved in metabolic activities in the body. Channel proteins transport molecules through passive diffusion while carrier protein transport substances through facilitated diffusion.
They are also found in cells and help in the selective movement of molecules in and out of the cell.
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The body links amino acids with peptide bonds in order to form:.
Answer:
A DIPEPTIDE is formed when two amino acids combine and a TRIPEPTIDE is formed when three amino acids combine. A polypeptide is a long chain of amino acids linked by peptide bonds.
Please help, I’ll give brainliest.
Answer:
it involves a physical exchange of chromosome segments in the tetrad (3)
Explanation:
def of crossing over
Crossing over is the swapping of genetic material that occurs in the germline
The chart shows the percentage of different elements in
the human body.
Which element is the most prevalent in the human body?
Elements in the Human Body
nitrogen
O hydrogen
O carbon
O oxygen
Nitrogen
2.6%
Other
3.4%
Hydrogen
10%
Carbon
23%
Oxygen
61%
Answer:
oxygen
Explanation:
The most abundant elements by mass in the body of a healthy human adult are Oxygen (61.4%)
toppr
The image below illustrates a specific organ in a plant found below ground:
This organ provides more than one function to the plant. Which of the following is a function of this organ illustrated in the picture?
Question 6 options:
Anchors the plant in the soil
Absorbs oxygen from the soil
Transports carbon dioxide to the soil
Releases water into the soil
Roots represent a plant organ that anchors the plant in the soil. It is a fundamental part of the plant.
What are plant organs?The plant organs are specialized groups of tissues that work together to perform specific functions.
The main plant organs include shoot, roots, and leaves, each one having specific functions.
The roots are responsible to anchor the plant to the soil in order to obtain fundamental nutrients from it.
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Answer: A is the answer
Explanation: i took the quiz
3) A doctor tells you that you were born with more slow twitch fibers than fast twitch fibers and
that it would better if you joined the cross country running team instead of track and field for
sprinting. You have always wanted to be a sprinter. What can you do to make up for your
lower ratio of fast twitch to slow twitch muscle fibers? How will what you do increase your
sprinting performance?
Endurance exercises is the only way to increase fast twitch fibers.
If we want to increase the lower ratio of fast twitch to slow twitch muscle fibers, then we can achieve it through exercises and long-distance endurance training such as running and cycling.
What is endurance training?Endurance training refers to those exercises that increase endurance. The term endurance training generally refers to the training of the aerobic system which is opposed to the anaerobic system. so in conclusion, we can say that endurance exercises is the only way to increase fast twitch fibers.
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Which of the following best defines PRODUCERS? *
Answer: C.
Explanation:
plants are producers
What is a apple?
A.Fruit
B.Veggie
C.Food
D.Meal
Answer:
A. Fruit
Explanation:
An apple is a Fruit because it includes seeds.
What is the difference between the sympathetic and parasympathetic division of the nervous system?.
Answer:
The sympathetic nervous system is involved in preparing the body for stress related activities; the parasympathetic nervous system is associated with returning the body to routine, day-to-day operations. The two systems have complementary functions, operating in tandem to maintain the body's homeostasis.
Which of the following is TRUE about how are rocks deformed?
a. change its size, volume, or shape
b. there will be an equal pull and pushes on the rock from different direction.
c. rock will undergo tectonic pressure
d. there will be unequal pull and pushes on the rock from different direction.
Answer:
a
Explanation:
Rocks change its size, volume, or shape because of weather, as well as tectonic pressure.
Fossils reveal ecological relationships from the past- how do we know when the moth species Stigmella
heteromelis was alive, even though we do not have fossils of the moth or caterpillar?
The age of the moth species Stigmella heteromelis was determined from the age of fossils of organisms in which they are in an ecological relationship with.
What are fossils?Fossils are remains of dead plants and animals that have been preserved from the past.
Fossils are used to determine the time of appearance of species.
Based on ecological relationship between the fossils of organisms that are in an ecological relationship with the moth species, the time when the moth species was alive can be determined.
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how the amount of oxygen in the water affected by the light intensity?
please help me
how dose food chain start
Answer:
The food chain starts with the sun
Explanation: because it provides energy for everything on the planet
Characteristics such as eye color, that are passed from one generation to the next, are known as ______.
Answer:heredity
Explanation:something that’s passed on to some members
Answer:
Heredity
Explanation:
You get some of these traits from your parents such as hair color, eye color, height, etc
What do all of the Jovian planets possess that none of the terrestrial planets does
natural satellites
water vapor
solid cores
numerous moons and ring systems
In the Cheseapeake Bay ecosystem, beds of eelgrass provide food and shelter to growing blue crabs. As blue crabs mature, they feed on fish and are fed on by larger animals like egrets. As organisms die, decomposers like bacteria in the sand of eelgrass beds help break down organic material.
Which of the following correctly matches a biotic factor in this ecosystem to the role it plays in cycling matter?
A.
Decomposers release carbon dioxide that eelgrass use for photosynthesis.
B.
Blue crabs convert carbon dioxide to organic sugars through respiration.
C.
Fish and other animals convert nitrogen to a form that can be used by plants.
D.
Sand contains nutrients like nitrogen that it transmits to eelgrass.
Answer: Decomposers release carbon dioxide that eelgrass use for photosynthesis.
Explanation: Hi, If this is for study island then this is the right answer.
Decomposers release carbon dioxide that eel grass use for photosynthesis a biotic factor in this ecosystem to the role it plays in cycling matter. Thus, option (a) is correct.
What is photosynthesis?Photosynthesis is the process through which a plant takes in water, carbon dioxide, and sunshine. Light energy, minerals converting to oxygen, and organic substances high in energy are what make plants grow.
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Photosynthesis requires the reaction of 12 grams of sugar and oxygen to produce 12 grams of both carbon dioxide and water. Decomposers play an important part in the transfer of energy through an environment.
As a result, the decomposers emit CO2, which eel grass uses for photosynthesis. Therefore, option (a) is correct.
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Describe the steps in which a gene in passed from parent to offspring. Make sure to describe how the gene is duplicated, separated, and given to the offspring.
Answer:
Mitosis occurs in somatic cells; this means that it takes place in all types of cells that are not involved in the production of gametes. Prior to each mitotic division, a copy of every chromosome is created; thus, following division, a complete set of chromosomes is found in the nucleus of each new cell. Indeed, apart from random mutations, each successive duplicate cell will have the same genetic composition as its parent, due to the inheritance of the same chromosome set and similar biological environment. This works well for replacing damaged tissue or for growth and expansion from an embryonic state. Because the genes contained in the duplicate chromosomes are transferred to each successive cellular generation, all mitotic progeny are genetically similar. However, there are exceptions. For example, there are genetic variations that arise in clonal species, such as bacteria, due to spontaneous mutations during mitotic division. Furthermore, chromosomes are sometimes replicated multiple times without any accompanying cell division. This occurs in the cells of Drosophila larvae salivary glands, for example, where there is a high metabolic demand. The chromosomes there are called polytene chromosomes, and they are extremely large compared to chromosomes in other Drosophila cells. These chromosomes replicate by undergoing the initial phases of mitosis without any cytokinesis (Figure 2). Therefore, the same cell contains thick arrangements of duplicate chromosomes side by side, which look like strands of very thick rope. Scientists believe that these chromosomes are hyper-replicated to allow for the rapid and copious production of certain proteins that help larval growth and metamorphosis
Explanation:
hope this helped!
Where in the body are cells found with an abundance of aquaporins in their membrane?.
In the body cells found with an abundance of aquaporins in their membrane in the AQP0 which is an abundant in the lens and these are found in the proximal of kidney and the blood vessels.
What is aquaporins?Aquaporins has been found in a very high concentration in the part or epithelial cells and it is responsible for the production of aqueous humor and AQPs is also known as biological water proteins channel that has unique functional as well as structural properties.
Aquaporins are also known as the trans membrane of the protein that has to regulate the water flow in the cell or out of the cell. Multicellular organisms are made up of eukaryotic cell and the eukaryotic cell is consist of different cell organelles to carry out different functions in the cell. The multicellular organisms perform different life process in different cells because they have specific cell for specific function.
Therefore, In the body cells found with an abundance of aquaporins in their membrane in the AQP0 which is an abundant in the lens and these are found in the proximal of kidney and the blood vessels.
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In a diagram of a leaf, the outermost layer of cells would be the:.
If you were to test a sample of soda lime with universal indicator would it register a pH above or below?
Jane has Type AB blood and Sam has Type B blood. They have a daughter whose blood is Type A. Which of the following is Sam's blood genotype?
AB
AO
AA
BO
BB
OO
Answer:
Sam's genotype would be BO/BO
Explanation: Both of these would be exmapls of Sam's blood genotype.
hope this helps!
What are the process the enzyme in the digestive system?
Answer:
Enzymes break down the food that you eat. They break down the fats, carbohydrates, and protein in the food we eat.
Explanation:
I hope this helped a bit! Stay safe!
Answer:
Amylase breaks down starches and carbohydrates into sugar. Mainly it break
down the fats, carbohydrates and proteins we
eat.
Example of thigmonasty and chemonasty in plants?
Explanation:
THIGMONASTY:-Thigmonasty or seismonasty is the nastic response of a plant or fungus to touch or vibration.
EXAMPLE::-an example is the shutting of a venus fly trap. The drooping of leaflets of Mimosa pudica when touched is also a thigmonastic movement.
CHEMONASTY:- the nastic movement of a plant in response to a chemical stimulus.
EXAMPLE:-In the Mimosa pudica plant, when we touch the leaves of the plant they fold up. Here the stimulus is touch. 2. In a dandelion flower, the opening up of the petals of this flower in the morning in bright light and closing in the evening when light fades.
HOPE IT HELPS YOU #ITZADMIRERThigmonasty is also referred to as seismonasty and it can be defined as the nastic response (movement) of a living organism such as a plant to either touch or vibration.
An example of thigmonasty in plants is the shutting of a leguminous subfamily Mimosoideae such as venus fly trap.
What is chemonasty?Chemonasty can be defined as the nastic response (movement) of a living organism such as a plant to a chemical stimulus.
An example of thigmonasty in plants is the closing or bending of glandular hairs of sundew due to nitrogenous chemical compounds.
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Proteins do not pass through cell membranes because.
Answer:
Proteins are generally way too big to be able to fit through a cell membrane.
Explanation:
They cannot compress their molecules to pass through.
Which was not a NEW method of population control of rabbits?.
Answer:
Mosquitoes and fleas carrying the Myxoma virus
Explanation:
For which of these vehicles is the percentage reduction in the amount of hydrocarbon emission the most?
The car whose production of carbon dioxide is least will have the most percentage reduction in the amount of hydrocarbon emission.
What is a hydrocarbon?A hydrocarbon is a compound which is composed of hydrogen and carbon only.
Hydrocarbons are important as they are commonly used as fuels for many vehicles.
The products of the combustion of hydrocarbons are carbondiodioxide, water and heat.
Because of the effect of carbon dioxide as a greenhouse gas, many vehicles are switching to fuels with less hydrocarbon emissions.
Therefore, a car whose production of carbon dioxide is least will have the most percentage reduction in the amount of hydrocarbon emission.
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Which phrase explains what the arrows show? how convection currents move in Earth’s interior the location of heated material near Earth’s surface where plates move as material cools in the outer core why the densities of materials remain constant at different layers.
The phrase that explains the arrows is how convection currents move in Earth’s interior.
What is convection current?The convection current is the process of movement of the heat from one place to another.
It is a single or multiphase flow of fluid due to body force and heterogeneity.
The convection current happens when the fluid is heated from the bottom and cooling from the upside.
Thus, the correct option is a, how convection currents move in Earth’s interior.
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Answer:
A
Explanation:
Edge22'
Based on the population pyramid, which has the lowest cohort (group) of people?
O 35-39
O 0-4
O 20-24
O 80-84
What is the crust of the earth
Answer:
The Earth crust is the thin shell around the outside of the Earth.
Answered by QueenTLoveHave an nice day
Answer:
Earth's crust is composed of igneous, metamorphic, and sedimentary rocks. It is the first layer of the Earth.
Explanation:
Which is NOT a goal of ecological succession? equilibrium reduction of diversity diverse, mature species.
Equilibrium reduction of diversity is not a goal of ecological succession.
What is ecological succession?Ecological succession is a process that gradually and continuously replaces one community with another community over a period of time.
Ecological succession is necessary for the growth and development of an ecosystem. The main goal of ecological succession is to initiate the process of colonization and recolonization takes place where a particular location is destructed by any means of biotic and abiotic factors.
Therefore, the equilibrium reduction of diversity is not a major goal of ecological succession.
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