Cell Membranes & Cell Transport

Question 1

What kind of solution is the red blood cell on the left in?

Accepted Answer

hypotonic

Question 2

"A" is

Accepted Answer

a hydrophilic phosphate "head"

Question 3

A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate

Accepted Answer

isotonic

Question 4

The primary function of the cell membrane is

Accepted Answer

to control what moves in and out of the cell.

Question 5

Water enters, cell swells; lower solute concentration outside the cell than inside = __solution

Accepted Answer

hypotonic

Question 6

Another name for the cell membrane is

Accepted Answer

the plasma membrane

Question 7

Which of these is selectively permeable?

Accepted Answer

all of these are selectively permeable

Question 8

Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution

Accepted Answer

hypertonic

Question 9

What is concentration?

Accepted Answer

amount of things in a given area

Question 10

Active transport

Accepted Answer

all of the answers are correct

Question 11

What kind of solution is the red blood cell in the middle in?

Accepted Answer

isotonic

Question 12

Movement of particles from an area of high concentration to an area of lower concentration is:

Accepted Answer

diffusion

Question 13

The stuff that is dissolved is the _________.

Accepted Answer

solute

Question 14

The basic structure of the cell membrane is

Accepted Answer

a phospholipid bilayer.

Question 15

What is structure "D"?

Accepted Answer

a protein

Question 16

The stuff that does the dissolving is the __________.

Accepted Answer

solvent

Question 17

What kind of transport doesn't require the use of energy to move materials across the membrane?

Accepted Answer

all of these don't require the cell to use energy

Question 18

Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?

Accepted Answer

endocytosis

Question 19

Equilibrium is reached

Accepted Answer

when particles are evenly distributed through the space.

Question 20

Passive transport

Accepted Answer

doesn't require energy.

Question 21

Requires energy; vacuole fuses with membrane, contents forced out of cell = ?

Accepted Answer

exocytosis

Question 22

__________ is the diffusion of water through a semipermeable membrane.

Accepted Answer

osmosis

Question 23

What kind of solution is the red blood cell on the right in?

Accepted Answer

hypertonic

Question 24

What molecules are imbedded in the bilayer?

Accepted Answer

proteins

Cell Membranes & Cell Transport

Questions 24

Cell Membranes & Cell Transport

Questions 24