Cellular Respiration

Question 1

ATP

Answer 1

Adenosine Triphosphate; nucleic acid used for immediate energy storage

Question 2

All cell types require ___ to survive

Answer 2

ATP

Question 3

Biomass is the ___ of an organism.

Answer 3

Dry weight

Question 4

How do cells use food?

Answer 4

Biosynthesis & cellular respiration

Question 5

Aerobic vs Anaerobic processing

Answer 5

Cellular respiration vs fermentation

Question 6

Cells process food anaerobically when….

Answer 6

they have low or no oxygen

Question 7

NAD undergoes ___ to gain or lose electrons 

Answer 7

Redox reactions

Question 8

Reduction vs oxidation

Answer 8

Gaining electrons from a donor or giving away electrons

Question 9

NAD is an ____

Answer 9

Electron carrier

Question 10

Preparatory Phase

Answer 10

The energy investment phase (loss of 2 ATP) in glycolysis

Question 11

Energy payoff phase

Answer 11

The phase of glycolysis in which 4 ATP is gained (giving energy to make more energy)

Question 12

ATP production in glycolysis is known as….

Answer 12

Substrate-Level Phosphorylation

Question 13

Glycolysis results in a net ATP gain of….

Answer 13

2

Question 14

Glycolysis produces ____ as well as ATP

Answer 14

2 pyruvate and 2 NADH

Question 15

The proximate (immediate) source of energy for oxidative phosphorylation is

Answer 15

kinetic energy that is released as hydrogen ions diffuse down their concentration gradient

Question 16

During electron transport, energy from _____ is used to pump hydrogen ions into the _____

Answer 16

NADH and FADH2 … intermembrane space

Question 17

The final electron acceptor of cellular respiration is _____

Answer 17

oxygen

Question 18

In cellular respiration, most ATP molecules are produced by _____

Answer 18

oxidative phosphorylation

Question 19

For each glucose that enters glycolysis, _____ NADH + H+ are produced by the citric acid cycle

Answer 19

6

Question 20

For each glucose that enters glycolysis, _____ acetyl CoA enter the citric acid cycle

Answer 20

2

Question 21

Where does Glycolosis take place in eukaryotic cells?

Answer 21

cytoplasm

Question 22

What are the final products (or “outputs”) of glycolysis?

Answer 22

ATP
Pyruvate
NADH

Question 23

What are the molecules that go into (are the “inputs” for) glycolysis?

Answer 23

Glucose
ADP+P
NAD

Question 24

Where does Pyruvate Prcoessing take place in eukaryotic cells?

Answer 24

Matrix of the mitochondria

Question 25

What are the final products (or “outputs”) of pyruvate processing?

Answer 25

CO2 Acetyl CoA NADH

Question 26

Where does the Citric Acid Cycle take place in eukaryotic cells?

Answer 26

Matrix of the mitochondria

Question 27

What are the molecules that go into (are the “inputs” for) the Citric Acid Cycle?

Answer 27

Acetyl CoA NAD FAD (there's one more)

Question 28

What are the final products (or “outputs”) of the Citric Acid Cycle?

Answer 28

FADH2 ATP CO2 NADH

Question 29

Where are the proteins of the electron transport chain located?

Answer 29

Mitochondrial inner membrane

Question 30

What are the molecules that go into (are the “inputs” for) the electron transport chain and chemiosmosis?

Answer 30

Oxygen Electrons from NADH ADP+P Electrons from FADH2

Question 31

Which process(es) require(s) oxygen?

Answer 31

Oxidative Phosphorylation(?)

Question 32

Which of the following products of cellular respiration would accumulate if there were no final electron acceptor in the electron transport chain (ETC)?

Answer 32

NADH

Question 33

What stage of cellular respiration is also part of fermentation?

Answer 33

Glycolysis

Question 34

Pyruvate is oxidized during

Answer 34

Cellular respiration only

Question 35

Pyruvate is reduced during

Answer 35

Fermentation only

Question 36

Glucose is oxidized

Answer 36

In both respiration and fermentation

Question 37

ATP is produced

Answer 37

In both respiration and fermentation

Question 38

NADH is produced

Answer 38

In both respiration and fermentation

Question 39

NAD+ is produced

Answer 39

In both respiration and fermentation

Question 40

Cellular respiration produces more ____ per mole of glucose than fermentation.

Answer 40

NADH

Question 41

When is fermentation used?

Answer 41

For short periods of time when oxygen levels are low

Question 42

Which cells partake in lactic acid fermentation?

Answer 42

Eukaryotic & some bacterial cells

Question 43

Glycolysis will occur so long as…

Answer 43

There is sugar available

Question 44

What cells partake in alcoholic fermentation?

Answer 44

Bacteria(?) & yeast

Question 45

What is the default for human muscle cells?

Answer 45

Oxidative phosphorylation

Question 46

Muscle cells in oxygen deprivation convert pyruvate to ____ and gain ______.

Answer 46

Lactate, NAD

Question 47

Which one of the following stages of cellular respiration normally occurs whether oxygen is present or not?

Answer 47

Glycolysis

Question 48

Which of the following molecules can be used by animal cells to obtain energy through cellular respiration?

Answer 48

Lipids Glucose Amino Acids

Question 49

Which one of the following stages of cellular respiration normally occurs whether oxygen is present or not?

Answer 49

Glycolysis

Question 50

Muscle cells in oxygen deprivation convert pyruvate to ____ and gain _____

Answer 50

Lactate; NAD+

Question 51

What are the molecules that go into (are the “inputs” for) pyruvate processing?

Answer 51

Pyruvate NAD Acetyl CoA

Question 52

Outputs of electron transport chain and chemiosmosis?

Answer 52

ATP Water NAD FAD

Question 53

A cell, after undergoing glycolysis, takes the products from these reactions and immediately begins alcoholic fermentation. Which of the following cell types could achieve the above scenario?

Answer 53

Prokaryotic or Yeast Cells