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ollegr [7]
3 years ago
9

How do stem cells know what type of cell to differentiate into?

Biology
1 answer:
babymother [125]3 years ago
6 0

Through gene expression, transcription and translation of this subset of genes determines how a cell looks and acts—its phenotype. ... | Cell fate means that a stem cell “makes a decision” to differentiate into a more mature cell type.

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Analysis Questions:
Drupady [299]
<span>1. List five observations Darwin made about the Amblyrhynchus lizards.

a. They measure about 2-3 feet long.
b. They are cold-blooded.
c. They feed on crab and sea lion feces.
d. They are the only marine iguanas in the world.
e. Their nostrils are connected to salt glands that allow them to expel excess sea salt. 

</span><span>2. Describe two examples of structural adaptations that Darwin observed.

a. </span><span>Darwin discovered that finches in the Galapagos have thirteen different kinds of beaks. 
b. </span>Darwin observed two kinds of giant tortoises that are distinguished by the shapes of their carapaces (dome-shaped and saddle-shaped). 

3. <span>Describe two behavioral adaptations that Darwin observed.
</span>
a. <span>The marine iguanas have developed several ways of coping with the cold. At night, they huddle together for warmth. 
b. </span>In the face of famine, the marine iguanas have adapted by having the ability to shrink their body size. They are able to grow back to their original size once the food is supply increases.

4. <span>Explain how these observations influenced his theory of evolution?
</span>

These observations led Darwin to believe that if a certain trait is more advantageous in a specific environment, then the carriers of that trait are more likely to survive into adulthood and to generate offspring than those who do not have that trait. Eventually, the advantageous traits for a species will proliferate. Darwin later called this as "survival of the fittest".

6 0
3 years ago
Read 2 more answers
What is the difference between Primary and Secondary Succession?
gizmo_the_mogwai [7]

Answer:

Some differences between primary and secondary succession are:

-Secondary succession happens on a previously existing community that has been cleared.

Another difference would be:

-Pioneer species for secondary succession are adapted differently- they grow quickly, can disperse quickly and have a short life span

And finally:

-Primary succession develops a new community from scratch

Not sure if you were looking for this, sorry if this is not correct.

8 0
2 years ago
What’s the space at the back of the oral cavity called?
Nat2105 [25]

Answer:

its da uvula

Explanation:

just look it up thats what i did

4 0
3 years ago
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Due to a car accident, a young woman suffered an injury to her spinal cord at first lumbar vertebra. What major function could b
goldfiish [28.3K]
"Walking would be the major function among the choices given in the question that <span>could be lost due to her injury. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.</span>
5 0
3 years ago
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List name three characteristics of scientists that are important to their work but also found in nonscience
zimovet [89]

The right answer is research reading and writing.

The research includes a collection of data, information, and facts for the advancement of knowledge.

Reading is undoubtedly an entertainment, but it is also a precious help to learn to express oneself and to think.

Reading is an awakening of the soul and the heart. Enjoyment of thought and feeling.

Writing is a graphic expression of language, it is a process that is currently used to immobilize, to fix the articulated language, fleeting in essence.

3 0
3 years ago
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