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Tems11 [23]
3 years ago
15

As a fertilized egg divides, the cells differentiate because they

Biology
2 answers:
alexira [117]3 years ago
8 0
Certain genes/cells are activated/turned on (how ever you want to word it)
KengaRu [80]3 years ago
6 0
They are twins. Did the embryo split too?
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Make a sentence with the word duodenum in it
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The doctor removed the duodenum from the body.
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If an animal cell shrinks, it was probably placed in a
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Answer:

Hypertonic Solution.

Explanation:

If you place an animal or a plant cell in a hypertonic solution, the cell shrinks, because it loses water through osmosis ( water moves from a higher concentration inside the cell to a lower concentration outside ).

If said animal cell was instead placed in a hypotonic solution it would have the opposite reaction and burst instead of shrink.

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which of the organs shown in Figure 3 does the digestion of protein begin? Name an enzyme that helps the body digest proteins. (
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Protein digestion occurs mainly in the stomach thanks to the pepsin enzyme. Then digestion is completed in the duodenum

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3 years ago
The ABO blood type in humans
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Answer:

ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells. Persons may thus have type A, type B, type O, or type AB blood.

Explanation:

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3 years ago
If bird song promotes an individual's ability to attract a mate and reproduce, then the song has a(n) _____ function. assumptive
Contact [7]

Answer:

If bird song promotes an individual's ability to attract a mate and reproduce, then the song has an <u>     function</u>

<u />

Explanation:

Within a community, certain novel traits are fixed because they impart beneficial adaptations on an individual in their ecosystem (like mate attraction). Such modifications enable such individuals to live longer than their peers, and breed over time to produce more offspring who also exhibit these traits.

Natural selection takes place and is determined by the fitness of an individual , it contributes to evolutionary change as individuals with certain traits reproduce, the traits become fixed and prevalent within the population.

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