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Deffense [45]
3 years ago
14

I need help with this science question I’m really confused. I’m setting this question to be worth 54 points.

Biology
1 answer:
IgorLugansk [536]3 years ago
4 0

I cant see the answers. They are too blurry

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What are the different parts of the DNA model?
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Answer:

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

Explanation:

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A person infected with the human immunodeficiency virus may have any symptoms for a period of time. During this period, the viru
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Are insects endothermic or ectothermic?
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<em>They are exothermic as they take temperature from  the surrounding and then maintain their internal body temperature according to the amount of heat absorbed :)</em>
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Immunofluorescence microscopy
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Answer:

Thus, the correct answer is option A.

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Thus, the correct answer is option A. Can be used to map the location of specific molecules in cells.

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3 years ago
Explain why when a person’s cells freeze, the damage is often irreversible
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When a cell is frozen, that means the cell temperature is going to be lowered extremely. Ice has more volume than water which is why it floating inside water. That's why if you put water in a plastic container then freeze it, the container will get pressured and swollen. If the container is not elastic enough(metal, glass), it will burst. 
Same like that, the cell that got frozen can be burst too.

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4 years ago
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