What are the two passive forms of movement across a plasma membrane?
A)diffusion down a concentration gradient and movement along an electrical gradient
B)phagocytosis and movement along an electrical gradient
C)diffusion down a concentration gradient and pinocytosis
D)phagocytosis and osmosis
E)diffusion along an electrical gradient and osmosis

Question

What are the two passive forms of movement across a plasma membrane?
A)​diffusion down a concentration gradient and movement along an electrical gradient
B)phagocytosis and movement along an electrical gradient
C)diffusion down a concentration gradient and pinocytosis
D)phagocytosis and osmosis
E)​diffusion along an electrical gradient and osmosis

Quizplus · Accepted Answer

Diffusion down a concentration gradient and osmosis are both passive forms of movement across a plasma membrane. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration, while osmosis is the movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration.

What Are the Two Passive Forms of Movement Across a Plasma