Unit 2 AP Biology

Which type of transport uses protein channels to help the particles move across the cell membrane?

• endocytosis

• osmosis

• facilitated diffusion

• exocytosis

 Particles get in and out of a cell by passing through the _. 

• Cell membrane

• Cytoplasm

• Vacuole

• Nucleus

Tags

NGSS.MS-LS1-2

In active transport, cells need _ to move particles cross the cell membrane. 

• Sleep

• Movement

• Energy

• Sun

Tags

NGSS.HS-LS1-7

What is diffusion

• A net process of a molecule moving from a high concentration to low concentration

• A net process of a molecule moving from a low concentration to high concentration

• A movement of water across a semipermeable membrane from high to low water concentration

Tags

NGSS.MS-PS1-2

Which kind of cell is prokaryotic, may or may not have a cell wall, and has no membrane bound organelles?

• Animal

• Bacteria

• Fungi

• Plant

Cell organelle found in all cells that manufactures proteins.

Major component of the lipid bilayer cell membrane.

• Cholesterol

• Channel Proteins

• Phospholipids

• Glycolipid/glycoprotein complexes

Because the cell membrane is composed of many small parts that move together as a system, it is said to be _____ _____ (two words).

Select any substances that can simply diffuse through the cell membrane.

• Oxygen gas

• Sugar

• Charged ions

• Small

• Charged

Select all forms of cell transport that require ATP energy.

• Facilitated diffusion

• Endocytosis

• Exocytosis

• Active Transport