Bio Test Unit 3

Question 1

What substance(s) moves in Osmosis?

Answer 1

Water Molecules

Question 2

What substance(s) moves in Diffusion?

Answer 2

Any small, simple molecules

Question 3

What substance(s) moves in Active Transport?

Answer 3

Small molecules or ions

Question 4

What substance(s) moves in Facilitated Diffusion?

Answer 4

Large or Polar Molecules

Question 5

What is the movement in Osmosis?

Answer 5

Low to High

Question 6

What is the movement in Diffusion?

Answer 6

High to Low

Question 7

What is the movement in Active Transport?

Answer 7

Low To High

Question 8

What is the movement in Facilitated Diffusion?

Answer 8

High to Low

Question 9

What does the substance travel through in Osmosis and Diffusion?

Answer 9

The Cell Membrane

Question 10

What does the substance travel through during Facilitated Diffusion?

Answer 10

Protein Channels

Question 11

What does the substance travel through during Active Transport?

Answer 11

Protein Pumps (Maybe Protein Channels)

Question 12

What do the Mitochondria do?

Answer 12

Produces ATP (through Cellular Respiration)

Question 13

What does the nucleus do?

Answer 13

Protects DNA and controls cell processes

Question 14

What is the purpose of the Cell Membrane?

Answer 14

It controls what goes in and out of the cell

Question 15

What does the Chloroplast do?

Answer 15

Converts light energy into sugar (photosynthesis)

Question 16

All cells have…

Answer 16

DNA, the ability to make proteins, a double membrane, cytoplasm, organized interior, ability to use energy, maintain homeostasis, ability to reproduce

Question 17

Unlike a eukaryote, a prokaryote lacks (a)…

Answer 17

Nucleus, membrane-bound organelles

Question 18

What is the purpose of the Golgi Apparatus?

Answer 18

Modifies and packages proteins for

transport or export from the cell

Question 19

A phospholipid contains…

Answer 19

a hydrophilic head and a hydrophobic tail

Question 20

What do the lysosomes do?

Answer 20

Breaks down food, old organelles, and other cellular waste

Question 21

Which is true of the Endosymbiont Theory?

Answer 21

The first eukaryotes likely started when a larger prokaryote engulfed smaller ones.

Question 21

This component allows specific ions to pass through the cell membrane.

Answer 21

channel proteins

Question 23

The cell membrane is:

Answer 23

a phospholipid bilayer consisting of hydrophilic heads on the surface and hydrophobic tails in the middle

semi-permeable

Question 24

A concentration is:

Answer 24

the amount of solute molecules in a solution

Question 25

These are all forms of passive transport:

Answer 25

facilitated diffusion

osmosis

diffusion

Question 26

Active transport requires…

Answer 26

protein channels

moving from a high to low concentration

ATP

Question 27

Hydrophilic means something is repelled by water.

Answer 27

False

Question 28

What does the ribosome do?

Answer 28

Make proteins

Question 29

These are the reactants of cellular respiration:

Answer 29

oxygen

sugar (glucose)

Question 30

These are the products of cellular respiration:

Answer 30

carbon dioxide

ATP

water

Question 31

Order the steps of aerobic cellular respiration:

Answer 31

1. Glycolysis
2. Krebs Cycle
3. Electron Transport Chain