Cell Structure and Function

A movement of substances through a cell membrane without using the cell's energy.

• passive transport

• active transport

• endocytosis

• exocytosis

In diffusion, molecules move from _________ concentration?

• low to low

• low to high

• high to low

• high to high

Osmosis describes movement of ___________ across the semipermeable membrane.

• gas

• sugar

• people

• water

Tags

NGSS.MS-LS2-3

Diffusion occurs because molecules __________.

• are in homeostasis

• are always moving

• are happy and playful

• are always sad

Moving from areas of LOW concentration to areas of HIGH concentration using energy is called?

• passive transport

• osmosis

• active transport

• diffusion

What means of particle transport requires energy?

• active

• passive

• osmosis

• transmuted

When molecules are spread evenly across the cell membrane, ______________________ is reached

• difference

• equilibrium

• solution

• transportation

A membrane that allows ALL molecules to pass through it is called...

• impermeable

• permeable

• semipermeable

A membrane that allows SOME molecules to pass through it is called...

• semipermeable

• permeable

• impermeable

A membrane that will not allow molecules to pass through it is called...

• permeable

• semipermeable

• impermeable