Expand and Simplify

question 54

Multiple Choice

Expand and simplify.

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Definitions:

Pinocytosis

Cell drinking; uptake of liquid by a cell.

ATP

Involved in metabolic processes, ATP (adenosine triphosphate) is the key energy transporter in cells.

Ingestion

The method by which food, liquids, or other substances are introduced into the body through swallowing or absorption.

Active Transport

A cellular process that requires energy to move substances across cell membranes against a concentration gradient.