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alexira [117]
3 years ago
8

The rate at which materials enter and leave the cell depends on the cells what?

Biology
2 answers:
Anni [7]3 years ago
7 0

The rate at which materials enter and leave the cell depends on the cell's surface area.

Katyanochek1 [597]3 years ago
4 0

Answer:

The rate at which materials enter and leave the cell depends on the cells what?

This achieved by what is termed as cell membrane

Explanation:

Cell membrane materials to enter and leave the cell. It is found in animal cell while plant cell possess cell wall that is rigid and gives shape to the cell.

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A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. The resistance
romanna [79]
The answer is D. 3.33 A

In parallel connected devices, circuits are also placed parallel. It is known that in parallel circuits, total voltage is equal to the voltage of each device. 

So, we know that:
Device 1 - R1 = 12 ohms
Device 2 - R2 = 4 ohms
Total voltage - V = 40V = V1 = V2

If V = I × R, for the first device is V1 = I1/R1.
⇒ I1 = V1 ÷ R1
⇒ I1 = 40 V ÷ 12 ohms
⇒ I1 = 3,33 A
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3 years ago
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Answer:

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Explanation:

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3 years ago
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pentagon [3]

Answer:

lower activation energy

brainliest is appreciated

Explanation:

Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership.2

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