Cellular Respiration

Question 1

What organisms trap sunlight and store it in carbohydrates?

Answer 1

Plants

Question 2

What 2 organisms break down carbohydrates to release energy from cells?

Answer 2

Plants and Animals

Question 3

What is the main energy currency of a cell

Answer 3

ATP

Question 4

Define Cellular Respiration

Answer 4

The process of cells releasing energy by breaking down food.

Question 5

What process begins cellular respiration and does it produce much ATP?

Answer 5

glycolysis and no

Question 6

If there is no oxygen in cells, the products of glycolysis enter fermentation pathways that creates no additional……

Answer 6

ATP

Question 7

Fermentation is …………. because no oxygen is used.

Answer 7

anaerobic

Question 8

If oxygen is present in cells, the glycolysis products enter the………

Answer 8

Krebs Cycle

Question 9

Does aerobic respiration produce much ATP?

Answer 9

Yes

Question 10

What simple sugar starts glycolysis?

Answer 10

Glucose

Question 11

In glycolysis, glucose is broken into 2 molecules that contain …….. carbon molecules each

Answer 11

3

Question 12

Glycolysis takes place in the ……..

Answer 12

Cytoplasm

Question 13

Name the 2 types of fermentation

Answer 13

lactic and alcoholic

Question 14

Where does fermentation take place?

Answer 14

Cytoplasm

Question 15

Lactic acid helps to make ……… & ………..

Answer 15

Cheese and Yogurt

Question 16

What effect does lactic acid have on muscle cells?

Answer 16

A burning sensation.

Question 17

Yeasts carry on what type of fermentation?

Answer 17

Alcoholic

Question 18

A gas called ……. is made during alcoholic fermentation.

Answer 18

CO2

Question 19

Aerobic respiration requires what gas?

Answer 19

Oxygen

Question 20

How much more ATP does aerobic respiration produce than glycolysis alone?

Answer 20

34

Question 21

Name the 2 major stages of aerobic respiration.

Answer 21

Krebs Cycle, Electron Transport Chains

Question 22

What is completed in the Krebs cycle?

Answer 22

The breakdown of glucose

Question 23

The energy carrier NAD+ is reduced to what substance?

Answer 23

NADH

Question 24

Which part of aerobic respiration makes most of the ATP?

Answer 24

Electron Transport Chain

Question 25

Where does aerobic respiration take place in prokaryotes?

Answer 25

cytoplasm

Question 26

Where does aerobic respiration take place in prokaryotes?

Answer 26

mitochondria

Question 27

The first acid produced in the Kreb’s cycle is …..

Answer 27

citric acid

Question 28

In the Kreb’s cycle, NAD+ becomes …….. and FAD becomes ……

Answer 28

NADH;FADH

Question 29

Is any ATP made in the Kreb’s cycle?

Answer 29

Yes, 1

Question 30

Which gas is a waste product of the Kreb’s cycle?

Answer 30

CO2

Question 31

The ……….. ……….. ………… is the second part of aerobic respiration.

Answer 31

ETC (Electron Transport Chain)

Question 32

Where does the ETC take place in eukaryotic cells?

Answer 32

Cristae

Question 33

Which gas serves as a final acceptor of electrons in the ETC?

Answer 33

Oxygen

Question 34

What is the final product of the ETC?

Answer 34

Water

Question 35

How many ATP’s are made in glycolysis?

Answer 35

2

Question 36

How many ATP’s are make in the Krebs Cycle?

Answer 36

1

Question 37

How many NADH molecules are made in aerobic respiration?

Answer 37

4

Question 38

How many FADH molecules are made in aerobic respiration?

Answer 38

1

Question 39

How many ATP are made by the electron transport system?

Answer 39

0

Question 40

What is the maximum number of ATP that can be produced by each glucose molecule?

Answer 40

36