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kicyunya [14]
2 years ago
12

Does anyone know this. I'll give brainliest

Biology
1 answer:
shtirl [24]2 years ago
5 0

Answer:

structure of DNA (Deoxyribonucleic acid)

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What are seasons? What causes them?
trasher [3.6K]
Seasons are Winter, Spring, Summer And Fall. The Sun moving (orbiting earth) causes them. So in the winter, the sun is on the opposite side of the world, and that's why it is so cold. In the summer, the sun is facing straight at us. Other season's, the sun is kinda in between, if that is any help
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3 years ago
The nitrogen cycle could not exsist without
IRISSAK [1]

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The nitrogen cycle could not exist without first nitrogen. The cycle is about this specific element which goes to show that if this element is not present then, there will not be any nitrogen cycle. Also, an important factor for the cycle is the presence of the bacteria and other microorganism which are needed for the fixation.

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3 years ago
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Why are saprotrophs so important to a marine food web?
Darina [25.2K]

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Explanation:

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5 0
3 years ago
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Help me please please
natita [175]

Answer:

1) A

2) Could be A, B,  or D

Explanation:

1)   Prokaryote is a single celled organism that has no distinct nucleus, membrane  - bound organelles, and specialized organelles (such as the mitochondria).

This definition would only match A) a bacteria cell because all the other cells are called Eukaryotas (which are more complex and have membrane - bound organelles).

2) The answer could be A because Prokaryotic cells lack membrane bound organelles

The answer could be B because the diagram has labeled the cell membrane as "plasma membrane"

The answer could NOT be C because Prokaryotic cells do not have nucleus's, but have free floating DNA.

The answer could be D because it is the only image that has a flagellum (which helps the cell move)

I am sorry I couldn't answer this question completely, but I think that this question has flaws.

Hope this helps! Let me know if you have any other questions!

6 0
3 years ago
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One of the primary functions of rna molecules is to _____.
Dmitry [639]
One of the primary functions of rna molecules is to function in the synthesis of proteins.
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2 years ago
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