AP Bio Insta-Review Topic 2.5: Membrane Permeability

Which is the easiest to cross the membrane unassisted?

• Small, nonpolar

• Small, polar

• Large, nonpolar

• Large, polar

Which is the easiest to pass?

• Carbon dioxide

• Glucose

• Sodium ions

• Water

A small amount of water can cross the membrane unassisted.

• True

• False

Which does NOT have a cell wall?

• Fungi

• Plants

• Prokaryote

• Protist

Which passes through the membrane easily?

• A. Ca²⁺

• B. CO₂

• C. Glucose

• D. H₂O

What type of membrane protein allows water passage?

• Carrier protein

• Channel protein

Cellular eating, use pseudopod to engulf food

• Exocytosis

• Phagocytosis

• Pinocytosis

• Receptor Mediated Endocytosis

Cellular drinking, cell “gulps” extracellular fluid

• Exocytosis

• Phagocytosis

• Pinocytosis

• Receptor Mediated Endocytosis

Organelle that fuses with product from phagocytosis

• Golgi

• Lysosome

• Nucleus

• Smooth ER

Proteins made in rough ER are secreted by

• Exocytosis

• Phagocytosis

• Pinocytosis

• Receptor Mediated Endocytosis