in all organisms, certain genes are expressed at any given time while other genes are not. both prokaryotes and eukaryotes regulate gene expression at the transcription stage. however, the greater complexity of eukaryotic cells makes it possible for gene expression to be regulated at many other stages as well. the diagram below shows different stages at which gene expression may be regulated in eukaryotes.
Answer:
The process of turning genes on and off is known as gene regulation. Gene regulation is an important part of normal development. Genes are turned on and off in different patterns during development to make a brain cell look and act different from a liver cell or a muscle cell, for examp
Which is the highest population density of grasshoppers?
O
A. 35 grasshoppers/10 square meters
o
O
B. 40 grasshoppers/20 square meters
O C. 1 grasshopper/1 square meter
O D. 50 grasshoppers/30 square meters
35 grasshoppers/10 square meters has the highest population density.
The highest population density of grasshoppers is 35 grasshoppers/10 square meters because more number of organisms are present in less area as compared to other population density. In the option i.e. 40 grasshoppers/20 square meters and 50 grasshoppers/30 square meters have more number of organisms but the area is also greater.And we know that high population density means more number of organisms in less area so we can conclude that 35 grasshoppers/10 square meters has the highest population density.
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What is a population?
a. a group of organisms that occupy the same general area at different times
b. a group of individuals of a single species that occupy the same general area at the same time
c. the growth rate of individuals of a single species that occupy the same general area at the same time
d. the growth rate of individuals of a single species that occupy the same general area at different times
Fertility is the measure of the ability to become __________. What one word completes the sentence
Fertility is the measure of the ability to become a parent.
FERTILITY:Fertility is a phenomenon that describes the ability to reproduce or produce offsprings.
Reproduction is one of the characteristics of living things and the ability to successfully execute this characteristics is termed fertility.
The opposite of fertility is sterility, which means the inability to produce offspring or reproduce.
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Which of the following is NOT a human-caused reason that species go extinct?
a forest fire caused by lightning, which destroys a habitat
bringing in invasive species
cutting down a forest, which destroys a habitat
overhunting
where does photolysis of water occur in photosynthesis
Answer:
Photolysis of water takes place in inner membrane of thylakoid.
Hope it helps u.
cells in your reproductive organs(ovaries and testes)that develop into eggs or sperm
germ cells
body cells
somatic cells
meiosis
Answer:
Somatic cells or meiosis
Explanation:
Make in you own words
When we leave the calvin cycle we have transformed into G3P which is a sugar that contains 3 of me!
We don’t stay in this form for long though
The color of a certain fish is a CO dominant characteristic a blue fish and a yellow fish reproduced together what color are the baby fish?
what would the color of the fish be?
please help!
Sally sustained damage to some autonomic ganglia. What part of the visceral reflex arc is interrupted
The part of the visceral reflex arc that is interrupted is the motor response in a target cell. The visceral reflex is part of the autonomic nervous system (ANS).
The visceral reflex arc refers to the reflex arc present in the autonomic nervous system (ANS).
This reflex arc (visceral reflex) generates glandular muscular (motor) responses within internal organs.
The visceral nervous system controls different body functions including, among others, digestion, respiratory rate, heart, pupillary dilation, etc.
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*Fill in the blank*
The biological molecule ____ usually makes up enzymes. Enzymes are used to ____ ____ the rate of a reaction within an organism. Each enzyme has a special shape called an ____ ____ where a ____ binds to break down into different products.
The enzyme can keep breaking down millions of substrates because it is ____ If an enzyme’s environment changes, it will not work effectively because the ____ of the active site changes. This change is called ____.
Words : site, | up | substrate | protein | denaturation | shape | reusable. | speed | active
Answer:
protein, speed up, active site, substrate, reusable, shape, denaturation
Explanation:
The biological molecule _protein usually makes up enzymes. Enzymes are used to _speed _up the rate of a reaction within an organism. Each enzyme has a special shape called an _active _site where a _substrate binds to break down into different products.
The enzyme can keep breaking down millions of substrates because it is _reuable If an enzyme’s environment changes, it will not work effectively because the _shape of the active site changes. This change is called _denaturation.
Fill in the blanks.
The biological molecule is a numerous substance that makes up the cells and living organisms. Has a wide range of sizes and structures. The enzyme is a substance that performed the works of a catalyst in living and regulates the chemical reactions.
Hence the answer protein, speed up, active site, substrate, reusable, shape, denaturation.
The biological molecules that makeup up the enzymes are known as protein, helps to speed up, the rate of the reactions within the organisms, and lead to the special shape known as an active site. There a substrate binds the break down into various products.The enzyme can be broken down into millions of parts and due to they are able to reusable and can change their shapes, the change in the enzymes is called denaturation.Learn more about the fill-in-the-blank.
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how did the invention of the microscope contribute to our understanding of the cells?
Answer:
With the development and improvement of the light microscope, the theory created by Sir Robert Hooke that organisms would be made of cells was confirmed as scientist were able to actually see cells in tissues placed under the microscope.
Explanation:
vessels that carry blood away from the heart are called
Answer:
arteries (red)
Explanation:
carry oxygen and nutrients away from the heart to your bodies tissues
Determine the two most important skills a synthetic
biologist will need in order to make themselves a more marketable employee. In
what ways can they use these skills to improve society? Give an example of what
this could look like.
A synthetic biologist must be ingenious in creating new systems that will benefit the society.
A synthetic biologist is a scientist whose responsibility it is to create new biological systems and devices for various applications. These systems can be very useful in solving novel biological problems.
For a synthetic biologists to be more marketable as an employee, the synthetic biologist must be ingenious in creating new systems that will benefit the society. This skill is relevant, not only to land a new job but to make the society a better place.
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Which is a part of the process of speciation?
A. Increased gene flow
B. Interbreeding between species
C. Fixing alleles
D. Divergence
According to the research, divergence is a part of the process of speciation.
What is divergence?It is the process of speciation in which two closely related species evolve by changing a common ancestral structure in different ways.
In other words, starting from an ancestral structure, different species evolved by adapting to their environment and their needs.
Therefore, we can conclude that according to the research, divergence is a part of the process of speciation.
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a common fruit fly has eight chromosomes in a normal body cell. after a cell undergoes mitosis, how many chromosomes will each new cell have?
Answer:
Each daughter cell will have 8 chromosomes. That is correct. By the end of mitosis, there are two daughter cells. Each daughter cell will have the same amount of genetic material as the parent 8 chromosomes.
Explanation:
Hope this helps helps
Monarch butterflies have brightly colored orange wings with black patterns on them, making them easily visible to birds that eat butterflies and moths, yet birds rarely eat the monarchs. Likewise, the monarch caterpillars are brightly striped yellow and white and black, and they also are rarely eaten by birds, although some wasps will attack them and feed them to their young. What can be inferred from these observations?
A. Monarchs must threaten and attack birds, but not wasps.
B. Monarchs have a way of discouraging bird predation that does not involve hiding.
C. Monarchs' wings are so colorful that most birds must find them difficult to eat.
D. Monarchs lay more eggs than other less conspicuous butterflies.
Answer: it would be B or C but i think its B
Explanation:
Augustine is writing an essay on stem cells. Help him by completing the sentences. Stem cells have the ability to divide and produce unspecified cells. They can be developed into a required tissue because of their ability of.
Stem cells can be developed into a required tissue because of their ability of cellular DIFFERENTIATION. These cells can develop specialized cells.
Stem cells are cells that can develop into specialized types of cells in order to perform specific functions.
The process of cellular differentiation from stem cells involves differential gene expression patterns, a cellular process that leads to the development of distinct types of cells.
For example, hematopoietic stem cells express specific genes (e.g., the hemoglobin gene) in order to differentiate into mature red blood cells that function to trasnport oxygen to all body cells.
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Which of the following is the source of the carbon found in glucose molecules?
Answer:
Carbon dioxide
Explanation:
When the plant makes the glucose molecule, it gets the carbon and oxygen atoms it needs from carbon dioxide, which it takes from the air. Carbon dioxide doesn't have any hydrogen in it, though, so the plant must use another source for hydrogen. The source that it uses is water
A cross country runner runs 8 km in 2 minutes. What is his speed?
The speed of the cross country runner is equal to 4 km/min.
Given the following data:
Distance = 8 km.Time = 2 minutes.To determine the speed of the cross country runner:
Speed can be defined as the distance covered by an individual per unit time and it can be measured in kilometer per minutes (km/min).
Mathematically, speed is given by the formula;
[tex]Speed = \frac{distance}{time}[/tex]
Substituting the given parameters into the formula, we have;
[tex]Speed = \frac{8}{2}[/tex]
Speed = 4 km/min.
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Plz help quickly I’ll mark
Answer:
Carbon Monoxide
Explanation:
I just took the test :)
how would deforestation affect the level of carbon in the atmosphere ? explain using scientific reasoning
When forests are cut down, much of that stored carbon is released into the atmosphere again as CO2.
what is the process that breaks down nucleic acids into nucleotides
a. dehydration synthesis
b. synthesis
c. polymerization
d. hydrolysis
please help ty
Answer:
D. Hydrolysis
Explanation:
Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.
I hope this helps have a great day :)
The process that breaks down nucleic acids into nucleotides is hydrolysis. The correct option is d.
What is hydrolysis?Any chemical reaction in which a water molecule breaks one or more chemical bonds is known as hydrolysis.
When water is the nucleophile, the phrase is used generically to refer to substitution, elimination, and solvation processes.
Nucleo depolymerase is another name for nuclease. By cleaving the phosphodiester bond that connects the nucleotides in the nucleic acids, the nucleic acid is broken down into nucleotides.
Either an enzyme or a non-enzyme can cleave the nucleic acid chain. Since the initial step in the alkaline hydrolysis of a polynucleotide is the transfer of the bond from C5' of the subsequent nucleotide to C2' of the same nucleotide, a 2'-OH group is necessary.
Thus, the correct option is d.
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this organ of digestion releases bile needed for fat digestion.
Answer:
Liver
Explanation:
The liver releases bile
How are identical twins different than fraternal twins (explain by discussing sperm and egg)?
According to the information on the periodic table, which of the following could represent element X?
A. Aluminum (Al)
B. Sodium (Na)
C. Chlorine (Cl)
D. Nitrogen (N)
chlorine because it has 7 electrons on the outer shell
explain how oxygen is cycled between the tree and the fox shown in the picture. name the specific processes involved.
Answer:
Cellular respiration and photosynthesis.
Explanation:
Carbon dioxide is put out by the fox and the tree absorbs it. The tree puts out oxygen and the fox inhales it.
Quick question: did I do this correctly?
how long can you keep a fresh turkey in the refrigerator?
2 days in the fridge
15.) Mutated
will make mutated
! which will make the wrong