AP Bio-Unit 2-Membrane Structure & Function-short

What is the name for a molecule that has a polar head region and a hydrophobic tail region?

• Bihydrophicity
• Amphipathic
• Hydrophilic
• Dipolarity

What is the movement of molecules from an area of high concentration to low concentration? 

• Mitosis
• Diffusion
• Passive Transport
• Active Transport

Which of the following types of transport requires energy?

• Passive
• Active

Osmosis is the movement of __________ across a membrane? 

• Glucose
• Water
• N⁺ ions
• Hydrogen Peroxide

Tags

NGSS.MS-LS1-3

Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?

• E
• B
• C
• D

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

A cell in an isotonic solution will

• swell
• shrink
• stay the same size
• impossible to tell

Water will move?

• Into the cell
• Out of the cell
• Neither into or out of the cell

Tags

NGSS.HS-LS1-3

When cells are placed in a __________ solution they begin to swell.

• Hypertonic
• Isotonic
• Hypotonic
• Equalized

Tags

NGSS.MS-LS1-2

The picture is an example of...

• active tranport
• passive transport
• diffusion
• osmosis