B12 Meta (4) Cellular respiration

Which of these process is considered to be more ancient?

• Glycolysis

• Electron transport chain

• Chemiosmosis

• Citric acid cycle

How many ATP are produced (net) through the process of glycolysis?

• 0

• 2

• 4

• 38

During the investment stage of glycolysis, what happens to ATP?

• 2 ATP consumed

• 2 ATP produced

• 4 ATP consumed

• 4 ATP produced

During the payoff stage of glycolysis, what happens to ATP?

• 2 ATP consumed

• 2 ATP produced

• 4 ATP consumed

• 4 ATP produced

If 1 mol glucose were to go through glycolysis, what would be produced?

• 1 mol pyruvate

• 2 mol pyruvate

• 2 mol citric acid

• 10 protons

If 1 mol pyruvate undergoes oxidation to acetyl-CoA, how many CO₂ are produced?

• 1 mol

• 2 mol

• 0 mol

• 4 mol

Who discovered the citric acid cycle?

• Hans Krebs

• Charles Darwin

• Sir Humphrey Davies

• Watson and Crick

acetyl-CoA is complete oxidized during the

• Electron transport chain

• Citric acid cycle

• Glycolysis

• Pyruvate oxidation

Where does the electron transport chain occur in eukaryotes?

• The cytosol

• The mitochondria matrix

• The inner mitochondrial membrane

• The outer mitochondrial membrane

What has the strongest pull on electrons during the electron transport chain?

• NADH

• ATP

• FADH₂

• Oxygen