Duplicate of Duplicate of Cell Membranes & Cell Transport

Question 1

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 2

Passive transport...

Accepted Answer

...doesn't require energy.

Question 3

Active transport...

Accepted Answer

All of the answers provided are correct.

Question 4

What is structure "D"?

Accepted Answer

a protein

Question 5

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

Accepted Answer

hypotonic

Question 6

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

Accepted Answer

hypertonic

Question 7

"A" is...

Accepted Answer

a hydrophilic phosphate "head".

Question 8

The basic structure of the cell membrane is...

Accepted Answer

...a phospholipid bilayer.

Question 9

The primary function of the cell membrane is....

Accepted Answer

...to control what moves in and out of the cell.

Question 10

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

Accepted Answer

diffusion

Question 11

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

Accepted Answer

hypotonic

Question 12

__________ is the diffusion of water through a semipermeable membrane.

Accepted Answer

osmosis

Question 13

Equilibrium is reached...

Accepted Answer

....when particles are evenly distributed through the space.

Question 14

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

Accepted Answer

isotonic

Question 15

What molecules are imbedded in the cell membrane that help with transport?

Accepted Answer

proteins

Question 16

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

Accepted Answer

hypertonic

Questions 16