Metabolism Practice Test | Biochemistry

1. Which one of the following cell or organ can only use glucose as a fuel source?
Brain
Kidney
red blood cells
Heart

2.RBC obtain their energy from
Mitochondria
Glyoxylate cycle
Anaerobic glycolysis
Fatty acid oxidation

3.PFK(Phosphofructokinase-I) is allosterically inhibited by
ATP
ADP
AMP"
Fructose 6-P

4.The first step in glycogen breakdown release glucose unit as
glucose
Glucose 6-phosphate
Glucose 1-phosphate
Glucose and glucose 6-phosphate

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5.Excess oxygen consumed after a vigorous exercise is
to pump out lactic acid from muscle
to increase the concentration of lactic acid in muscle
to reduce dissolved carbon dioxide in blood
to make ATP for gluconeogenesis

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