Although viruses are extremely small, they are too large to enter a cell by passive transport. Which process brings viruses into a host cell?
A) diffusion
B) osmosis
C) exocytosis
D) endocytosis

Question

Quizplus · Accepted Answer

Viruses cannot enter a cell by passive transport. The only way viruses can enter a host cell is by endocytosis, which is an active process by which a cell engulfs a particle or substance by invagination of the plasma membrane to form a vesicle. Therefore, option D is the correct answer.

Although Viruses Are Extremely Small, They Are Too Large to Enter