IB Aerobic Respiration: The Basics

Which statement best summarizes cellular respiration?

• The formation of glucose through the production of hydrogen carriers.

• The breakdown of glucose to release ATP.

• The breakdown of ATP and electron carriers to produce energy for the cell.

• The formation of ATP using light as reactant.

Which of the following are true? (select all that apply)

• A condensation reaction releases the energy stored in the bonds of ATP

• Hydrolysis releases the energy stored in the bonds of ATP

• ATP is a high energy molecule

• ADP is a high energy molecule

Glycolysis is an example of which of the following? (select all that apply)

• aerobic process

• anaerobic process

• substrate level phosphorylation

• oxidative phosphorylation

Which of the following statements is true?

• NADH and FADH₂ are oxidized in the ETC

• NADH and FADH₂ are reduced in the ETC

Which molecule was reduced?

• A

• B

Order the steps of aerobic respiration:

• ETC

• Glycolysis

• Link Reaction

• Krebs Cycle

Match the process with the appropriate products:

Groups:

(a) Glycolysis

,

(b) Link Reaction

,

(c) Krebs Cycle

,

(d) ETC

• 2 ATP

• 6 Water

• 2 Pyruvates

• 2 Acetyl-CoA

• 2 NADH

• 4 Carbon Dioxide

• 6 NADH

• ~32 ATP

• 2 NADH & 4 ATP (2 net ATP)

• 2 Carbon Dioxide

• 2 FADH2

Match the reactants to the appropriate process:

Groups:

(a) Glycolysis

,

(b) Link Reaction

,

(c) Krebs Cycle

,

(d) ETC

• 10 NADH

• 2 FADH2

• 2 ATP

• 2 Pyruvate

• 6 Oxygen

• 2 Coenzyme A

• 2 Acetyl Coenzyme A

• Glucose

Label the Mitochondria

a

b

c

d

e

Inner membrane

Matrix

Outer Membrane

Intermembrane Space

Cristae

Match the process to the appropriate location:

Groups:

(a) Matrix

,

(b) Cristae

,

(c) Cytoplasm

• Link Reaction

• Krebs Cycle

• Glycolysis

• ETC