Final Exam Review: Cell Transport

Question 1

What molecules are imbedded in the bilayer?

Accepted Answer

proteins

Question 2

The heads of a phospholipid are:

Accepted Answer

hyrdrophilic

Question 3

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

Accepted Answer

simple diffusion

Question 4

The primary function of the cell membrane is

Accepted Answer

to control what moves in and out of the cell.

Question 5

When materials enter pockets in cell membrane and form a vacuole (also known as "cell eating"):

Accepted Answer

phagocytosis

Question 6

__________ is the passive movement of molecules through the membrane using proteins.

Accepted Answer

facilitated diffusion

Question 7

The material that dissolves the solute is the __________.

Accepted Answer

solvent

Question 8

A solution that is "below strength" is:

Accepted Answer

hypotonic

Question 9

When the solution concentration is "above strength" it is called:

Accepted Answer

hypertonic

Question 10

Active transport

Accepted Answer

all of the answers are correct

Question 11

Equilibrium is reached

Accepted Answer

when particles are evenly distributed through the space.

Question 12

Which phrase describes how the cell membrane is made of many, moveable parts?

Accepted Answer

fluid mosaic

Question 13

The basic structure of the cell membrane is

Accepted Answer

a phospholipid bilayer.

Question 14

__________ is the diffusion of water through a semipermeable membrane.

Accepted Answer

osmosis

Question 15

The process where materials exit the cell through infoldings of the cell membrane:

Accepted Answer

exocytosis

Question 16

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 17

All of these processes require energy except...

Accepted Answer

facilitated difussion

Questions 17