BIO024 SAS 7: Biochemical Energy Production Quiz

Which process requires energy input?

• Catabolism

• Hydrolysis

• Anabolism

• Oxidation

Which of the following is a catabolic process?

• DNA replication

• Glycolysis

• Protein synthesis

• Photosynthesis

Where does glycolysis occur in the cell?

• Nucleus

• Cytoplasm

• Mitochondrial matrix

• Inner mitochondrial membrane

The net ATP yield from glycolysis per glucose molecule is:

• 4 ATP

• 2 ATP

• 6 ATP

• 8 ATP

What is the end product of glycolysis?

• Pyruvate

• Lactic acid

• Acetyl-CoA

• Carbon dioxide

Which enzyme catalyzes the conversion of glucose to glucose-6-phosphate?

• Aldolase

• Hexokinase

• Pyruvate kinase

• Enolase

The Krebs cycle occurs in the:

• Cytoplasm

• Nucleus

• Mitochondrial matrix

• Endoplasmic reticulum

The Krebs cycle begins when Acetyl-CoA combines with:

• Citrate

• Oxaloacetate

• Fumarate

• Malate

Which of the following is NOT a product of the Krebs cycle?

• NADH

• FADH2

• CO₂

• Glucose

What is the main function of NAD⁺ in metabolism?

• Provide energy directly

• Act as an enzyme

• Carry electrons

• Store glucose