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sergejj [24]
3 years ago
6

Stem cells renew tissues but are all lost in childhood.a) trueb) false

Biology
1 answer:
ValentinkaMS [17]3 years ago
4 0

Answer:

False

Explanation:

Stem cells are different type of cells in human body that can develop into different other body cells like muscles cells or brain cells and they gave the capability to renew themselves through mitotic cell division.

Stem cells are not lost in childhood but can be use to treat diseases or infection, it can be use to grow new cells and replace damaged body cells.

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3 years ago
What happens to the carbon dioxide (CO2) levels of a plant when it does or does not have light?
zubka84 [21]

Explanation:

Carbon dioxide is needed for photosynthesis, but oxygen is needed for cellular respiration. Assuming there is still oxygen then the plants will produce carbon dioxide and some of it will be reabsorbed by photosynthesis during daylight. However, ultimately there wouldn’t be enough carbon dioxide for the plants to grow and they will start to die. Some plants have evolved a C4C4 photosynthesis pathway so they only require a small amount of CO2CO2 to survive, however they do still require more than zero CO2CO2.

So basically you killed off all the plants and all the other non-microbial life died of starvation shortly afterward.

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2 years ago
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Dennis_Churaev [7]

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6 0
3 years ago
Read 2 more answers
How many offspring would result from a
ivann1987 [24]

Answer:

16777216

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7 0
3 years ago
Ovulation is triggered by peak concentrations of which peptide secreted into the blood A. estrogen B. LH C. ACTH D. FSH E. proge
Contact [7]

Ovulation is triggered by peak concentrations of luteinising hormone peptide secreted into the blood, which is option B.

<h3>What is ovulation?</h3>

Ovulation is the release of an ovum from an ovary.

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The luteinizing hormone is released in by the pituitary gland of the brain, which triggers the ovulation.

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