Practice Pakistan questions with answers and explanations.
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Glycolysis is a cytosolic pathway that converts glucose to pyruvate while generating ATP and NADH.
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Urea cycle is a hepatic pathway that converts toxic ammonia into urea for excretion.
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Beta oxidation is mitochondrial degradation of fatty acids to acetyl-CoA units.
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Glycogen phosphorylase is an enzyme that releases glucose-1-phosphate from glycogen during glycogenolysis.
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HMG-CoA reductase is the rate-limiting enzyme in endogenous cholesterol synthesis.
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DNA polymerase is an enzyme that synthesises DNA using a template strand and requires a primer.
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Competitive inhibition is enzyme inhibition in which a substrate analogue competes for the active site and raises apparent Km.
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Vitamin B12 is a cofactor required for methionine synthase and methylmalonyl-CoA mutase reactions.
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Albumin is the major plasma protein contributing to oncotic pressure and transport of many substances.
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Lactate dehydrogenase is an enzyme that interconverts pyruvate and lactate while cycling NADH and NAD+.
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Competitive inhibition is enzyme inhibition in which a substrate analogue competes for the active site and raises apparent Km.
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Vitamin B12 is a cofactor required for methionine synthase and methylmalonyl-CoA mutase reactions.
