Exam (elaborations)
ACS BIOCHEMISTRY QUESTIONS AND ANSWERS 2025
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ACS BIOCHEMISTRY QUESTIONS AND ANSWERS 2025...
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What is the Henderson-Hasselbach? - ANSWER pH = pka + log ([A]/[Ha]).What do high Ka and low pka indicate? - ANSWER Strong acid.
What's the relationship between pH and [H+]? - ANSWER pH = -log[H+].
What is the relationship between pka and ka? - ANSWER: pka=-logKa
What is a decent buffer? - ANSWER A weak acid combined with its conjugate
base in a 50/50 ratio.
What degrades tryptophan? - Answer: Acids and bases.
What is the isoelectric point? - ANSWER The pH in which a specific molecule
has no net charge (pI)
What is the side chain pka of aspartic acid? - Answer ~ 3.86
What is the side chain pka of arginine? - Answer ~ 12.48
Side chain pka of cysteine? - The answer is around 8.0.
What is the side chain pka of glutamic acid? ANSWER: 4.07.
Side chain phosphorylation of histidine? - Answer ~6.1
Side chain pka of lysine? - The answer is around 10.53.
Tyrosine side chain pka? - Answer: ~10.00.
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