Chapter 3

Question 0

Movement of solutes from high to low concentration

Answer 0

Diffusion

Question 1

What is cellular transport

Answer 1

Movement of compounds and ions across cell membrane

Question 2

Water molecules flow from low to high concentration to become more equal

Answer 2

Osmosis

Question 3

Building blocks of all plants and animals

Answer 3

Cells

Question 4

Smallest functioning units of life

Answer 4

Cells

Question 5

Cells are produced only by the division of

Answer 5

Preexisting cells

Question 6

Primary function of each cell

Answer 6

Homeostasis

Question 7

Major Components of the plasma membrane

Answer 7

Phospholipids
Protein
Carbohydrates
Cholesterol

Question 8

Membrane proteins may function as

Answer 8

Receptors and channels
Carriers and enzymes
Anchors or identifiers

Question 9

No water

Answer 9

Hydrophobic

Question 10

All transport through the plasma membrane

Answer 10

Active or passive

Question 11

Allowing the free passage and restricting the passage of other materials

Answer 11

Selective permeability

Question 12

Materials pass through the plasma membrane only by passing through

Answer 12

Channels

Question 13

Whether of not substances can pass through the plasma membrane depends on

Answer 13

Size and electrical charge
Molecular shape
Lipid solubility

Question 14

When hydrostatic pressure forces water across a membrane passively, the process

Answer 14

Filtration

Question 15

Facilitated differs from ordinary diffusion by

Answer 15

Receptors sites of carrier proteins are involved

Question 16

A white blood cell engulfing a bacterium illustrates the process of

Answer 16

Phagocytosis

Question 17

High energy bond of ATP is

Answer 17

Active Transport

Question 18

Sodium-Potassium exchange pump is an example of

Answer 18

Active Transport

Question 19

Transport allows a cell to _____ take in and _____ compounds according to its biological functions

Answer 19

Take in and release

Question 20

Transport allows cells to ______ its characteristics

Answer 20

Regulate

Question 21

The cell is composed of a _______ of _______ and _______

Answer 21

Bi-layer, lipids, and proteins

Question 22

Two reasons that prevent atoms from passing through a membrane

Answer 22

Size and polarity

Question 23

Facilitate the passage of molecules across a membrane

Answer 23

Membrane protein

Question 24

Two examples of molecules that move into the cell via passive transport

Answer 24

O2 and Gluclose

Question 25

ATP pump is present in

Answer 25

All cell

Question 26

Sodium potassium pump

Answer 26

Pumps 3 Na+ out of the cell and 2 K+ into the cell

Question 27

Pump creates an _______ making the exterior of the cell more postive than the interior of the cell

Answer 27

Electrical potential

Question 28

Phosphate binds to

Answer 28

ADP to produce another ATP

Question 29

2 Vesicular transports

Answer 29

Endocytosis and Exocytosis