Amoeba Sisters Video Recap of Osmosis/Diffusion

Which best defines polar?

• Having unequal sharing of electrons among atoms

• Having equal sharing of electrons among atoms

• Having unequal sharing of protons among atoms

What are two characteristics of molecules that can easily pass through the cell membrane?

• large, polar

• small, polar

• small, nonpolar

Which process does NOT require the cell to use ATP.

• Passive transport

• Active transport

• Endocytosis

Which are types of passive transport? Check the two that apply.

• Diffusion

• Facilitated diffusion

• Endocytosis

• Exocytosis

During all types of passive transport, the molecules involved are moving with the concentration gradient. This means the molecules are moving from _____ concentration.

• low to low

• high to low

• low to high

A(n) ___ is a protein that moves water through the cell membrane.

• chaperonin

• sodium-potassium pump

• aquaporin

Which processes require the cell to use ATP. Check the three that apply.

• Active transport

• Passive transport

• Endocytosis

• Diffusion

• Sodium-potassium pump

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

This is a type of active transport when a cell releases a large particle from the cell.

• Endocytosis

• Osmosis

• Exocytosis

During facilitated diffusion, what helps move molecules through the cell membrane?

• Sodium-potassium pump

• Chaperonin protein

• Transport protein

What are two characteristics of molecules that use facilitated diffusion?

• large, polar

• small, polar

• large, nonpolar