Cellular Respiration

Question 1

What is the formula for Cellular Respiration?

Answer 1

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP
Glucose + 6 Oxygen Gas → 6 carbon dioxide + 6 water + energy

Question 2

Cellular respiration uses _ to produce ATP.

Answer 2

Glucose

Question 3

Enumerate the three stages of Cellular Respiration mentioned in the book.

Answer 3

1. Glycolysis
2. Citric Acid Cycle (Krebs Cyle)
3. Electron Transport Chain

Question 4

Glycolysis takes place in the…

Answer 4

Cytoplasm

Question 5

True or False.
Glycolysis is aerobic (requires oxygen).

Answer 5

False, Glycolysis is anaerobic (does NOT require oxygen)

Question 6

One Glucose molecule can be broken down into _ molecules of _ .

Answer 6

One Glucose molecule can be broken down into two molecules of pyruvate.

Question 7

Glycolysis produces…

Answer 7

2 ATP (energy), 2 NADH, and 2 pyruvate molecules.

Question 8

This is the Aerobic stage of Cellular Respiration, or the stage that requires oxygen.

Answer 8

Citric Acid Cycle (Krebs Cycle)

Question 9

This stage of Cellular Respiration occurs in the mitochondria.

Answer 9

Citric Acid Cycle (Krebs Cycle)

Question 10

This stage of Cellular Respiration is aerobic (Requires Oxygen)

Answer 10

Citric Acid Cycle (Krebs Cycle)

Question 11

In the Citric Acid Cycle,
Pyruvate from Glycolysis enters the _ and is converted into _

Answer 11

Mitochondria
Acetyl-CoA

Question 12

Acetyl-CoA is oxidized, and then enters the…

Answer 12

Citric Acid Cycle

Question 13

NADH and FADH₂ are _ carriers

Answer 13

Electron

Question 14

Because of the oxidation process of Acetyl-CoA, _ _ _ are transferred to electron carriers: NADH and FADH₂.

Answer 14

High-energy electrons

Question 15

What are the products of the Citric Acid Cycle (Krebs Cycle)

Answer 15

4 Carbon Dioxide
6 NADH
2 FADH₂
2 ATP

Question 16

This takes place in the inner mitochondrial membrane. (Cellular Respiration)

Answer 16

Electron Transport Chain (ETC)

Question 17

Electrons carried by NADH and FADH₂ are transported through a series of _ complexes in the inner mitochondrial membrane.

Answer 17

protein

Question 18

As electrons move across the chain, they release energy, which is used to pump _ (H+), across the inner _ membrane, which creates an _ _.

Answer 18

protons
mitochondrial
electrochemical gradient

Question 19

A proton gradient is used to drive the production of _, in a process called _ _.

Answer 19

ATP
Oxidative phosphorylation

Question 20

ATP is produced in the Electron Transport Chain in a process called _ _.

Answer 20

Oxidative Phosphorylation

Question 21

Many ATP is produced in which part of Cellular Respiration?

Answer 21

Electron Transport Chain

Question 22

In terms of ATP generation, which of the following is correct?
a.) Krebs Cycle > Glycolysis > ETC
b.) Krebs Cycle < ETC < Glycolysis
c.) Glycolysis > Krebs Cycle > ETC
d.) Glycolysis < Krebs Cycle < ETC

Answer 22

d.) Glycolysis < Krebs Cycle < ETC

Question 23

What does NADH stand for?

Answer 23

Nicotinamide Adenine Dinucleotide + Hydrogen

Question 24

If it requires oxygen, it is…

Answer 24

Aerobic respiration

Question 25

if it does not require oxygen, it is…

Answer 25

Anaerobic respiration