Transport Mechanisms

Question 1

What kind of transport does not require energy/ATP and goes from a higher concentration to the lower concentration in the concentration gradient?

Answer 1

Passive Transport

Question 2

What kind of Passive Transport uses membrane proteins to transport substances?

Answer 2

Facilitated diffusion

Question 3

What kind of Transport uses ATP or energy to move substances from or to the cell and goes against the concentration gradient?

Answer 3

Active Transport

Question 4

What are the 4 transport mechanisms?

Answer 4

1. Diffusion & Facilitated Diffusion
2. Osmosis
3. Active Transport
4. Bulk/Vesicular Transport

Question 5

What is the amount of solute in a solution called?

Answer 5

Concentration

Question 6

What is the dissolved substance in a
solution?

Answer 6

Solute

Question 7

What is a mixture in which two or more substances are mixed evenly.

Answer 7

Solution

Question 8

What is the gradual difference in the concentration of solutes in a solution between two regions?

Answer 8

Concentration Gradient

Question 9

What is the substance doing the dissolving (substance the solute is dissolved in)?

Answer 9

Solvent

Question 10

What is the movement of substances across the cell membrane either into or out of the cell?

Answer 10

Cellular Transport

Question 11

What are the three transport machenisms under Passive Transport?

Answer 11

1. Diffusion
2. Osmosis
3. Facilitated Diffiusion

Question 12

What are the two transport machenisms under Active Transport?

Answer 12

1. Endocytosis
2. Exocytois

Question 13

Which transport machenism is the movement of small particles across a selectively permeable membrane like the cell membrane until equilibrium is reached.

Answer 13

Diffusion

Passive Transport

Question 14

This factor that determines the rate of diffusion describes how different the high concentration and the low concentration are from each other.

Answer 14

The steepness of the concentration gradient

Question 15

This factor that determines the rate of diffusion describes how fast the particles are moving.

Answer 15

Temparature

Question 16

This factor that determines the rate of diffusion describes how wide the area where the diffusion is taking place.

Answer 16

The surface area

Question 17

This factor that determines the rate of diffusion describes what is being diffused.

Answer 17

The type of molecule or ion diffusing

Question 18

What are the 4 Factors to Determine The Tate Of Diffusion?

Answer 18

1. The steepness of the concentration gradient
2. Temperature
3. The surface area
4. The type of molecule or ion diffusing.

Question 19

Which small molecules can diffuse in and out of cells ?

(a) hydrophobic
(b) hydrophilic

Answer 19

(a) Hydrophobic

Question 20

It is the diffusion of water through a selectively permeable membrane like the cell membrane.

Answer 20

Osmosis

Question 21

What is the extracellular solution’s ability to make water move inside or outside the cell?

Answer 21

Tonicity

Based on the Solute Outside the cell

Question 22

What solution has a lower concentration of solute molecules than another solution?

Answer 22

Hypotonic

Tonicity

Question 23

What solution has an equal concentration of solute molecules?

Answer 23

Isotonic

Question 24

What solution has a higher concentration of solute molecules than another solution.

Answer 24

Hypertonic

Question 25

Proteins that form channels (pores) are called what?

Answer 25

Protein Channels

Question 26

Proteins that works as pumps in Active Transport are called what?

Answer 26

Protein Pumps

Question 27

It is the mechanism by which very large molecules (such as food and wastes) get into and out of the cell.

Answer 27

Endocytosis and Exocytosis

Question 28

Food is moved into the cell by which mechanism?

Answer 28

Endocytosis

Question 29

Wastes are moved out of the cell by which mechanism?

Answer 29

Exocytosis

Question 30

It is a cellular process for ingesting and eliminating large particles by endocytosis.

Answer 30

Pahagocytosis ## Footnote - Endocytosis - Used by White Blood Celss to **ENGULF** bacteria

Question 31

It is the **INGESTION** of extracellular fluids, i.e., the fluid surrounding the cell, together with its contents of small dissolved molecules (solutes).

Answer 31

Pinocytosis ## Footnote - Endocytosis - Also called (cell drinking)