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AfilCa [17]
3 years ago
8

These statements describe three different reactions.

Biology
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer: 2 - The nucleus of an atom is split apart

Explanation: Any reaction involving the nucleus of an atom is called a nuclear reaction. It is different from ordinary chemical reactions that involve electrons because it involves the release of large amount of energy. Nuclear reactions can be classified as nuclear fission and nuclear fusion.

A nuclear reaction in which a nucleus of an atom is split into two smaller atoms with a release of large amount of energy is called nuclear fission. A nuclear reaction that involves the combination of lighter nuclei of elements to form heavier atoms that are more stable with the release of a large quantity of energy is called nuclear fusion.

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If the amount of sodium in the blood increases, what would a negative feedback control mechanism be expected to do?
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Answer: Decreases

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The amount of sodium in the blood will increase as the main function of the negative feedback is to maintain the homeostasis inside the body.

If blood pressure is too high, then heart rate decreases because of this the blood vessels increases in the diameter and the kidney retains less water.

These changes will return the blood pressure to be normal. The same process gets reversed when the blood pressure decreases.

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What effect do body fossils have on how people understand dinosaurs?
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Mitosis, Meiosis, and both are written below

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Mitosis: produces more somatic (body) cells, purpose is for healing and growing, the daughter cells are exact replicas

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Meiosis: results in sex cells (gametes), results in eggs and sperm, purpose is for creating new individuals (eventually), each daughter cell is different, has 2 separate division stages

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Both: Chromosomes need to replicate before the whole process begins, a form of reproduction

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