Cellular Transport

Question 1

Movement of molecules down their concentration gradient without the use of energy

Answer 1

Diffusion

Question 2

Passive diffusion of water down its concentration gradient across selectively permeable membranes. Diffusion of H2O

Answer 2

Osmosis

Question 3

Water moves from a region of ____ water concentration to a region of ____ water concentration

Answer 3

High, Low

Question 4

Water will flow from a region with a _____ solute concentration to a ______ solute concentration

Answer 4

Lower, Higher

Question 5

Characterizes a solution that has a higher solute concentration than does a neighboring solution. More solution

Answer 5

Hypertonic

Question 6

Characterizes a soluton that has a lower solute concentration than a neighboring solution. Less solution

Answer 6

Hypotonic

Question 7

Solution that has the same solute concentration as surrounding solutions. Same solution

Answer 7

Isotonic

Question 8

Which would water go to? 30% salt or 60% salt?

Answer 8

60% salt as it is 40% water, water goes to the lower water (to make things balanced)

Question 9

A substance dissolved in a solution

Answer 9

Solute

Question 10

Animal cells love ________ solution

Answer 10

Isotonic

Question 11

Plant cells love _________ solution

Answer 11

Hypotonic

Question 12

Channel protein that allows passage of water

Answer 12

Aquaporin

Question 13

Moves multiple molecules at once, minimizes energy usage

Answer 13

Cotransport

Question 14

One moves down

Answer 14

Unaporter

Question 15

Two move down

Answer 15

Symporter

Question 16

Two move at the opposite direction

Answer 16

Antiporter

Question 17

Example of Symporter

Answer 17

Glucose Transport Protein

Question 18

Example of Antiporter

Answer 18

Sodium-Potassium Pump

Question 19

Accomplishes the movement of glucose from the extracellular space (deriving from the bloodstream) into cells

Answer 19

Glucose Transport Protein

Question 20

The movement of particles across a selectively permebale membrane against the concentration gradient

Answer 20

Active Transport

Question 21

Which transportation requires Adenosine Triphosphate (ATP)?

Answer 21

Active Transport

Question 22

Moves potassium into the cell and sodium out of the cell against their respective concentration gradients
3 Na+ out, 2 K+ in

Answer 22

Sodium-Potassium Pump

Question 23

Takes in macromolecules, form new vesicles

Answer 23

Endocytosis

Question 24

Vesicles fuse with cell membrane, expel contents

Answer 24

Exocytosis

Question 25

The two types of Endocytosis

Answer 25

Pinocytosis and Phagocytosis

Question 26

Cellular "eating", solids

Answer 26

Phagocytosis

Question 27

Cellular "drinking", liquids

Answer 27

Pinocytosis

Question 28

A specialized type of Pinocytosis that moves specific molecules into a cell due to the budding of specific molecules with receptor sites on the cell membrane

Answer 28

Receptor-mediated endocytosis

Question 29

Process by which an organism regulates the water balance in its body and maintains the homeostasis of the body

Answer 29

Osmoregulation

Question 30

Generate voltage across membrane

Answer 30

Electrogenic Pumps

Question 31

Pushes protons (H+) across the membrane

Answer 31

Proton Pump

Question 32

Example of Unaporter

Answer 32

Proton Pump

Question 33

Transport of proteins, polysaccharides, and large molecules

Answer 33

Bulk Transport

Question 34

Diffusion down the concentration gradient (high to low concentration)

Answer 34

Passive Transport

Question 35

Straight through the membrane

Answer 35

Simple Diffusion

Question 36

_____, ________ molecules are the easiest to move through the membrane

Answer 36

Small, non polar