Unit 3 - Honors Cellular Transport

Multiple Choice

What characteristic of the cell membrane allows only certain material to pass through?

• selective gating
• selective permeability
• hydrophilia
• selective service

Multiple Choice

What is the function of cholesterol materials in the cell membrane?

• make the membrane thicker
• make the membrane more porous
• break the proteins apart

• make the membrane more stable

Multiple Choice

The current model of the plasma membrane is called the

• hydrophobic layer
• transport bilayer
• phosphoproteins
• fluid mosaic model

Multiple Choice

Facilitated diffusion requires

• no energy
• energy

Multiple Choice

In osmosis, what  direction will water move to balance out the two solutions?

• Low to high concentration
• To the bigger cell
• High to low concentration
• to the smaller cell

Multiple Choice

Diffusion is the movement of particles

• from low to high concentration
• from  high to low concentration
• from equilibrium to areas of high concentration
• all of the above

Multiple Choice

What is the diffusion of water through a selectively permeable membrane?

• active transport
• turgor pressure

• facilitated diffusion
• osmosis

Multiple Choice

What is it called when a cell is placed in a solution that has a greater concentration on the outside of the cell than inside?

• Hypotonic
• Hypertonic
• Isotonic
• Osmosis

Multiple Choice

Placing a cell containing 10% salt into a solution containing 7% salt will cause the cell to 

• shrink
• swell
• stay the same

Multiple Choice

Placing a cell in an isotonic solution causes the cell to

• shrink
• swell
• stay the same

Multiple Choice

Placing a cell containing 10% salt  into a solution containing 15% salt will cause the cell to

• shrink
•  swell
• stay the same

Multiple Choice

____ is the molecule that provides energy for active transport.

• DNA
• ADP
• ATP
• RNA

Multiple Choice

A small membrane sac used to transport substances into or out of the cell are called _________.

• ventriole
• vesicle
• lysosome
• vacuole

Multiple Choice

What means of particle transport requires energy?

• passive
• active
• facilitated
• osmosis