Why do cells contain only a small amount of atp?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Select the correct answer from each drop-down menu proteins are

Easy 6th grade work! 100 points! i need fast! compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.