Active Transport (AP)

Active transport involves the movement of substances _ their chemical gradient

• Down/with

• Up/against

• Both answers are correct

Against gradient transport involves the movement of substances move from areas of _ concentration to areas of _ concentration

• High, low

• Low, high

• Equal, equal

Active transport _ require energy from ATP or another source

• Does

• Does not

In addition to primary active transport, _ are forms of active transport. Select 3

• Simple diffusion

• Facilitated diffusion

• Exocytosis

• Phagocytosis

• Pinocytosis

Phagocytosis and pinocytosis are forms of _

• Endocytosis

• Exocytosis

In primary active transport, substances are transported through _

• The phospholipid bilayer

• Transport proteins

• Vesicles

• Receptors

• Enzymes

_ transport proteins are utilized in primary active transport

• Channel

• Carrier

• Gated

• All answers are correct

_ utilize transport proteins (facilitated diffusion and primary active transport). Select 2

• Nonpolar and hydrophobic molecules

• Polar and hydrophilic molecules

• Macromolecules

• Ions

Exocytosis involves _ (as a transport mechanism)

• Through the bilayer movement

• Transport proteins

• Vesicular fusion

• Membrane invagination

Exocytosis moves substances _ (secretion)

• Out of cells

• Into cells

• Both answers are correct