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DENIUS [597]
2 years ago
7

DNA molecules separate into single strands which are then used to construct two identical strands of DNA this process ensures ge

netic
A)consistency
B)variability
C)diversity
D)reduction
​
Biology
1 answer:
makvit [3.9K]2 years ago
7 0

Answer: A)consistency

Explanation:

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The statements that correctly describe gestation are: the normal period of gestation is about 40 weeks; the stages of this process include: zygote, blastocyst, embryo, and fetus; and changes to the form of the embryo come from differentiation and growth.

The gestation period in humans lasts about 40 weeks and comprises different stages and processes from conception until birth. The main stages of this process include:

  • Zygote: Fertilized ovum.
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Moreover, this process implies differentiation as cells specialize for specific functions, for example, muscle cells or nerve cells, and growth as the number of cells increases and therefore the embryo or fetus increases in size.

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2 years ago
What process causes behavior patterns to change over generations as a result of reproductive success?
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Answer:

change through natural selection

Explanation:

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3 years ago
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How does the immune system defend your body?
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Answer:The immune system protects your child's body from outside invaders, such as bacteria, viruses, fungi, and toxins (chemicals produced by microbes). It is made up of different organs, cells, and proteins that work together.

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7 0
3 years ago
Cells can conduct many task, including which of the following​
julia-pushkina [17]

Answer option:

1. duplicate themselves

2. convert energy

3. selectively exchange materials

4. all of the above

Answer:

4. all of the above

Explanation:

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They can convert glucose into cellular energy (ATP) through respiration in the mitochondria

They can exchange materials with the outside environment via the selectively permeable cell membrane, endocytosis and exocytosis and active transport via membrane proteins.

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