Biology

The correct answer is A.Pinocytosis.

Pinocytosis is a type of endocytosis where the cell takes in extracellular fluid and dissolved solutes (liquid). It's often referred to as "cell drinking." During pinocytosis, the cell membrane folds inward to form a vesicle that captures the fluid and brings it into the cell. This is an active process, meaning it requires energy (ATP).

Here’s a breakdown of the other options:

B.Exocytosis: This is the process of moving substances out of the cel...