Biochem Module 6 Questions and
Answers Already Passed
In which cellular process is ribulose-1,5-bisphosphate involved?
Phosphorylation
✔✔ Carbon fixation
Electron transport
Glycolysis
Which molecule accumulates in muscles during anaerobic respiration?
Lactate
Pyruvate
✔✔ Lactic acid
Acetyl-CoA
What is the primary function of cytochrome c in the electron transport chain?
To pump protons
✔✔ To transfer electrons
To generate ATP
1
,To synthesize glucose
Which amino acid contains sulfur?
Glycine
✔✔ Cysteine
Alanine
Leucine
In which part of the cell does the citric acid cycle occur?
✔✔ Mitochondrial matrix
Cytoplasm
Nucleus
Endoplasmic reticulum
What is the main role of the enzyme hexokinase in glycolysis?
To break down pyruvate
✔✔ To phosphorylate glucose
To produce ATP
2
, To convert NADH to NAD+
Which molecule is an allosteric inhibitor of phosphofructokinase?
✔✔ ATP
ADP
Fructose
Oxygen
Which coenzyme is essential for the conversion of pyruvate to lactate in anaerobic conditions?
✔✔ NADH
FADH2
ATP
GTP
What is the result of oxidative deamination?
✔✔ Removal of an amino group
Formation of a peptide bond
Synthesis of ATP
3
Answers Already Passed
In which cellular process is ribulose-1,5-bisphosphate involved?
Phosphorylation
✔✔ Carbon fixation
Electron transport
Glycolysis
Which molecule accumulates in muscles during anaerobic respiration?
Lactate
Pyruvate
✔✔ Lactic acid
Acetyl-CoA
What is the primary function of cytochrome c in the electron transport chain?
To pump protons
✔✔ To transfer electrons
To generate ATP
1
,To synthesize glucose
Which amino acid contains sulfur?
Glycine
✔✔ Cysteine
Alanine
Leucine
In which part of the cell does the citric acid cycle occur?
✔✔ Mitochondrial matrix
Cytoplasm
Nucleus
Endoplasmic reticulum
What is the main role of the enzyme hexokinase in glycolysis?
To break down pyruvate
✔✔ To phosphorylate glucose
To produce ATP
2
, To convert NADH to NAD+
Which molecule is an allosteric inhibitor of phosphofructokinase?
✔✔ ATP
ADP
Fructose
Oxygen
Which coenzyme is essential for the conversion of pyruvate to lactate in anaerobic conditions?
✔✔ NADH
FADH2
ATP
GTP
What is the result of oxidative deamination?
✔✔ Removal of an amino group
Formation of a peptide bond
Synthesis of ATP
3
