Cell Transport

Question 1

What does passive transport mean?

Answer 1

Doesn’t require energy.

Question 2

What does active transport mean?

Answer 2

Requires energy (ATP)

Question 3

What is the phospholipid bilayer?

Answer 3

The heads and tails: phosphoheads and fatty acid tails

Question 4

What are the types of passive transport?

Answer 4

Diffusion

Osmosis
Endocytosis/exocytosis

Question 5

What is the type of active transport?

Answer 5

Protein pump

Question 6

What does hypotonic mean?

Answer 6

Lower concentration

Question 7

What does hypertonic mean?

Answer 7

Higher concentration

Question 8

What does isotonic mean?

Answer 8

Equal concentration

Question 9

What is lysis?

Answer 9

When a cell explodes from too much water.

Question 10

What is crenation?

Answer 10

When a cell shrivels up from not enough water.

Question 11

What does turgid mean in a plant cell?

Answer 11

They don’t really lose their shape.

Question 12

Why are plant cells turgid?

Answer 12

Because of their cell wall.

Question 13

How does diffusion work?

Answer 13

The passive movement of particles from an area of higher concentration to an area of lower concentration.

Question 14

What is concentration gradient?

Answer 14

The difference between concentration of two areas.

Question 15

How does osmosis work?

Answer 15

Molecules of a solvent in a less concentrated solution pass through a semipermeable membrane into a more concentrated solution.

Question 16

What are channel proteins?

Answer 16

Create channels through which water-soluble particles can move.

Question 17

What are carrier proteins?

Answer 17

Attach themselves to large molecules and physically move the molecule across the membrane into the cell.

Question 18

How does facilitated diffusion work?

Answer 18

Diffusion with a protein facilitator. Channel proteins and gate proteins.

Question 19

What is reverse osmosis?

Answer 19

Water moves from high to low concentration area.