T4L4 Flashcard

Front

Which term describes the ability of a cell membrane to allow some substances to pass through while blocking others?

Back

Permeability

Front

Which process moves molecules from an area of high concentration to an area of low concentration without using energy?

Back

Diffusion

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane

Front

Which of the following is an example of endocytosis?

Back

A cell engulfing a large particle by wrapping its membrane around it

Front

What is the main difference between exocytosis and endocytosis?

Back

Exocytosis moves substances out of the cell, while endocytosis brings substances into the cell.

Front

Diffusion and osmosis are both types of passive transport.

Back

True

Front

Does endocytosis require energy because the cell is actively bringing substances inside?

Back

True

Front

Is osmosis the diffusion of any substance across a cell membrane?

Back

False

Front

Exocytosis is how cells remove waste or secrete important substances.

Back

True

Front

What is a membrane that allows everything to pass through called?

Back

A membrane that allows everything to pass through is not selectively permeable.