8 Questions
Why is the affinity of fetal hemoglobin for oxygen higher than that of adult hemoglobin?
There is less 2,3-BPG in the fetal circulation as compared to maternal circulation
Which amino acid is rich in protein and provides the greatest buffering capacity at physiologic pH?
Histidine
What could explain a farmer's bluish skin coloring and methemoglobin levels of 20%?
Nitrates in well water
Which amino acid cannot be found in proteins?
β-alanine
What characteristic of glycine accounts for its use as the initial amino acid in the collagen repeat Gly-X-Y?
Flexibility due to small side chain
What is the rate-limiting enzyme in catecholamines biosynthesis?
Tyrosine hydroxylase
Which amino acid's side chain permits it to gain or lose a proton, thus contributing to its buffering capacity at physiologic pH?
Arginine
What does enzymatic reaction velocity depend on?
Temperature, PH and substrate concentrations
Test your knowledge of biochemistry with this quiz covering topics like buffering capacity at physiologic pH, amino acids, and blood results analysis. Prepare for your final exam by practicing with these challenging questions.
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