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disa [49]
3 years ago
14

1. A cell does not need to use energy during

Biology
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

The answer would be Diffusion because it does not require the use of energy

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Explain why the structure of mitochondria and ribosomes was not well understood before the development of the electron microscop
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Both mitochondria and ribosome are so tiny structure, it can not be seen under light microscope. It needs more magnification to study the detail structure, hence electron microscope is best to use.

<h3>What is ribosome ?</h3>

Ribosomes are small membrane less organelles and are the sites of protein synthesis.

It is present in are found in both eukaryotic and prokaryotic cells.

Ribosomes can either be present alone or in groups in cytoplasm while some ribosomes are attached to the endoplasmic reticulum  called as rough endoplasmic reticulum.

These are composed of ribosomal protein and RNA, have two subunit larger and smaller subunit.

Learn more about ribosome, here:

brainly.com/question/241631

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8 0
2 years ago
Sympathetic nerve fibers are not associated with situations involving __________.
dimaraw [331]

Answer:

Digestion

Explanation:

The parasympathetic division handles things that stimulate digestion.

7 0
3 years ago
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On the basis of first aid methods , one the following must be done
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Answer:

its C.

Explanation:

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3 0
3 years ago
Why do you think that most predators (humans, cheetahs, dogs, etc.) have eyes facing forward, while most prey species (cows, dee
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Most predators have forward facing eyes, while most prey have side mounted eyes. If you think about the animal behaviors of both prey and predators, you should be able to make connections between their eye placement and their necessities for survival. Most prey have side mounted eyes because it allows for a better depth perception and a wider field of view. This can help the animals keep watch while they graze in open fields. On the other hand, most predators have forward facing eyes because it allows them to focus in on prey while hunting and chasing.

Hope this helps. Good luck! :)
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