During which process are bacteria engulfed for ingestion?
a. Endocytosis
b. Pinocytosis
c. Phagocytosis
d. Exocytosis
ANS: C
Phagocytosis (cell eating) involves the ingestion of large particles, such as bacteria, through the formation of large vesicles. Endocytosis involves the formation of vesicles to facilitate movement into the cell. Pinocytosis is a type of endocytosis in which fluids and solute molecules are in-gested through the formation of small vesicles. Exocytosis occurs when coated pits invaginate and internalize ligand-receptor complexes in coated vesicles.
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