Aerobic respiration

Question 1

What is the first enzyme used in glycolysis? (Answer in one word)

Accepted Answer

Hexokinase

Accepted Answer

hexokinase

Question 2

How many ATP molecules are net gained from glycolysis per glucose molecule?

Accepted Answer

2

Question 3

What is the final product of glycolysis?

Accepted Answer

Pyruvate

Accepted Answer

pyruvate

Question 4

In which part of the cell does glycolysis occur? (Answer in one word)

Accepted Answer

Cytoplasm

Accepted Answer

cytoplasm

Question 5

What the electron carrier produced in glycolysis? (Answer in one word)

Accepted Answer

NADH

Question 6

In which cellular organelle does the Krebs cycle occur?

Accepted Answer

Mitochondria

Accepted Answer

mitochondria

Question 7

In which location does the Krebs cycle occur?

Accepted Answer

Mitochondrial matrix

Accepted Answer

mitochondrial matrix

Accepted Answer

Matrix of mitochondria

Accepted Answer

matrix of mitochondria

Question 8

What is the molecule that enters the Krebs cycle? (Hint: 2-carbon molecule)

Accepted Answer

Acetyl-CoA

Accepted Answer

acetyl-CoA

Question 9

How many molecules of ATP are produced directly in one turn of the Krebs cycle? (Enter number)

Accepted Answer

1

Question 10

How many carbon dioxide molecules are released per acetyl-CoA in the Krebs cycle? (Enter number)

Accepted Answer

2

Question 11

How many NADH molecules are produced per turn of the Krebs cycle? (Enter number)

Accepted Answer

3

Question 12

What is the role of FAD in the Krebs cycle?

Accepted Answer

Electron carrier

Accepted Answer

electron carrier

Accepted Answer

Oxidizing agent

Accepted Answer

oxidizing agent

Question 13

In which cellular organelle does oxidative phosphorylation primarily occur?

Accepted Answer

Mitochondria

Accepted Answer

mitochondria

Question 14

In which location does oxidative phosphorylation primarily occur?

Accepted Answer

Inner membrane of mitochondria

Accepted Answer

inner membrane of mitochondria

Accepted Answer

Mitochondrial inner membrane

Accepted Answer

mitochondrial inner membrane

Question 15

Which molecule is the final electron acceptor in the electron transport chain during oxidative phosphorylation?

Accepted Answer

Oxygen

Accepted Answer

oxygen

Question 16

What is the main product of oxidative phosphorylation? (Hint: energy currency of the cell)

Accepted Answer

ATP

Question 17

Which enzyme is responsible for synthesizing ATP in the electron transport chain?

Accepted Answer

ATP synthase

Question 18

What gradient is established across the mitochondrial membrane during oxidative phosphorylation?

Accepted Answer

Proton gradient

Accepted Answer

proton gradient

Question 19

What is the reducing agent for NADH dehydrogenase?

Accepted Answer

NADH

Question 20

What term describes the coupling of electron transport and ATP synthesis in oxidative phosphorylation?

Accepted Answer

Chemiosmosis

Accepted Answer

chemiosmosis