Unit 3 Quiz #2 Flashcards

Front

Plasmolysis

Back

The process where a plant cell loses water and shrinks away from its cell wall.

Front

Cytolysis

Back

The bursting of a cell due to excess water intake.

Front

Facilitated Diffusion

Back

The process of passive transport of molecules across a membrane with the help of a protein.

Front

Carrier Protein

Back

A protein that helps transport substances across a cell membrane.

Front

Ion Channel

Back

A protein that allows specific ions to pass through the cell membrane.

Front

Active Transport

Back

Movement of substances across a cell membrane using energy, usually against their concentration gradient.

Front

Sodium-Potassium Pump

Back

A specific active transport mechanism that moves sodium out of and potassium into a cell.

Front

Endocytosis

Back

The process where a cell takes in materials by engulfing them in a membrane.

Front

Exocytosis

Back

The process where a cell expels materials by vesicles fusing with the membrane.