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Alex787 [66]
3 years ago
14

Someone pls help me answer question 13

Biology
1 answer:
cupoosta [38]3 years ago
4 0
Controlled experiment
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Someone please help me
lbvjy [14]

Answer:

Option B: Molecule 2

Explanation:

'Equilibrium of a molecule inside and outside a cell' means that there are similar numbers of that molecule on the inside and the outside. (hence 'equilibrium')

The number of each molecule is as follows:

Molecule 1 - Inside: 3, Outside: 5

Molecule 2 - Inside: 2, Outside: 3

Molecule 3 - Inside: 1, Outside: 5

Molecule 4 - Inside: 7, Outside: 4

Therefore the correct option is option b. 2

This is because the number of molecules inside the cell and outside the cell are the closest together, most similar out of all the molecules.

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3 years ago
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liq [111]

Answer:

adding chlorine, checking the water.

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