Biochem Module 6 Questions and Answers Already Passed

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