Physics High School

in prokaryotic and eukaryotic cells the amount of water in the cell is kept at a steady state. The organelles
through which water passes into and out of cell is the
A) cell membrane
B) cell wall
C) nuclear
D) ribosome

Answers

Answer 1

Answer:

A

Explanation:

It would not be C because prokaryotic cells don't have a nucleus. And if you're looking for a body in the cell that controls the nutrients and water it would be A.

Related Questions

please help me please ​

Answers

Answer #1:

Physical.

Explanation:

The only thing mentioned to change is the color. Nothing about the gas in general is changing

Answer #2:

Chemical.

Explanation:

The fact this interacted with another element to completely turn something else rather than just being that color makes this a chemical change.

Answer #3:

Physical

Explanation:

Well, how does an element's density have to do anything with a chemical change?

Answer #4:

Chemical.

Explanation:

Fire/heat is involved, and it makes it change states.


Question 1
1 pts
What measures the amount of current flowing through a wire?
A.voltage
B. ampere
C. watt

Answers

B. Ampere

Is ur answer

ampere is the right answer.

How fast must a person lift a barbell with a weight of 635 N to a height of 2.43 meters in order to have a power of 482 W

Answers

Answer:

Time = 3.2 seconds

Explanation:

Given the following data;

Weight = 635 N

Height, h = 2.43 m

Power = 482 Watts

To find the time;

Power = mgh/time

But weight = mg = 635

Substituting into the formula, we have;

482 = (635 * 2.43)/time

482 = 1543.05/time

Time = 1543.05/482

Time = 3.2 seconds

the moon doesn't fall to earth because of it's friction?​

Answers

Answer:

The Moon does not fall towards Earth right now because Earth rotates itself. The energy from the Earth's own rotation around its axis is gradually tranferred into energy of the Moon's orbital motion. That's why the Earth's rotating speed decreases but the distance to the Moon increases.

Answer:

I think No since the gravitational force of earth is not eneogh to pull moon to it

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