When Substances Move Across a Plasma Membrane and Down Concentration

question 95

Multiple Choice

When substances move across a plasma membrane and down concentration gradients, this is called

• A) active transport.
• B) exocytosis.
• C) passive transport.
• D) pinocytosis.

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Definitions:

Eardrum

A thin membrane in the ear that separates the external ear from the middle ear and vibrates in response to sound waves, aiding in hearing.

Organ Of Corti

The Organ of Corti is the sensory organ located within the cochlea of the inner ear, essential for converting sound vibrations into electrical signals for the brain to interpret.

Located

The specific area or position where something is situated or placed.

Amino Acids

Organic compounds that combine to form proteins and are used by the body to repair tissues and synthesize enzymes and hormones.