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gulaghasi [49]
3 years ago
9

Please help me!! Brainliest if correct!!!!! PLEASE!!!!!!!

Biology
1 answer:
guapka [62]3 years ago
8 0

Answer:

the last answer seems to be correct

Explanation:

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The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?a. Diffusion b.
Fittoniya [83]

Answer:b. Facilitated transport

Explanation:in the usual activities of the cell,it's cell membrane is responsible for the movement of substance in and out of the cell.

Such substances include nutrients,water, oxygen etc.

The plasma membrane select the substances that it allows into the cell thus it is said to be selectively permeable.

The plasma membrane of the cell has a phospholipid bilayer made up of cholesterol, proteins and glycoproteins.

The proteins on the membrane are useful for facilitated diffusion.

In this diffusion process,the proteins helps to carry large molecules across the cell membrane.such molecules includes glucose,amino acids etc.

In the process energy is not expended so it is a type of passive transport.

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3 years ago
8. Both cardiac and skeletal muscle cells are<br>voluntary<br>False<br>True​
Yakvenalex [24]

Answer:

<h2>The answer would be false.</h2>

Hope this helps!

Please give me brainliest

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4 years ago
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What is the function of the capsule in a prokaryotic cell?
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Which statement describes the current theory about the relationship between the human population and mass extinction? The human
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