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goldfiish [28.3K]
3 years ago
12

Instruction

Biology
1 answer:
Elis [28]3 years ago
5 0

Answer:

A- DNA

B- Histone

C- Chromosome

D- Nucleus

Explanation:

EDGE 2020

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Crossing over is important because it creates genetic variability.

<h3>What is crossing over?</h3>

It is the exchange of chromosomal segments between non-homologous chromosomes in a tetrad.

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Thus, the daughter cells carrying the recombined chromosomes will be genetically variable from not just the parent cell, but fellow daughter cells.

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{100 POINTS!}
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Answer:

B. Bacteria that carry out decomposition

Explanation:

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3 0
2 years ago
A nurse made a tragic mistake and hooked a sick patient up to an IV line that included pure water. The contents of the IV bag we
pishuonlain [190]

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The water is hypotonic to the body of the patients

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<em>Pure water is generally hypotonic to the red blood cells in the body of humans. Hence, if a person is hooked up to an IV line that included pure water, the red blood cells in the person's body will take-in water, become turgid, and then start lysing. This will make the person become sick or even cause death in severe cases.</em>

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