Cell Homeostasis Answers

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1
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Why is osmosis important to the survival of a cell?

Answer:

Osmosis is important because it helps maintain the cell’s water and ion balance. If excess ions are not removed, water can enter the cell, causing it to swell and burst.

2
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What did you include in your response?

A
For a cell to survive, ion concentrations inside and outside the cell need to be the same.
B
If extra ions are not pumped out of the cell, water can enter the cell, causing it to swell and burst.
4

Why is osmosis important to the survival of a cell?

Answer:

Osmosis helps a cell maintain its water balance. If excess ions are not pumped out, water can enter the cell and cause it to swell and burst.

6

What does it mean if a molecule is moved against the concentration gradient?

Answer:

It means the molecule moves from an area of lower concentration to an area of higher concentration, requiring energy.

7

What did you include in your response?

A
For a cell to survive, ion concentrations inside and outside the cell need to be the same.
B
If extra ions are not pumped out of the cell, water can enter the cell, causing it to swell and burst.
8

What does it mean if a molecule is moved against the concentration gradient?

Answer:

It means the molecule moves from an area of lower concentration to an area of higher concentration, which requires energy.

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