Organelles Quick Check Which statement correctly describes the function of pumps in the plasma membrane? (1 point)
O Pumps move substances through the plasma membrane.
O Pumps glue the plasma membranes of adjacent cells together
O Pumps store water in the plasma membrane for later use by the cell
O Pumps hold the plasma membrane together.

A

Explanation:

Pumps move substances through the plasma membrane.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

the answer is c. it will give up it's valence electron to the other atom.