Biochem questions?
If the ratio of HCO3-: H2CO3 in the blood to a pH of 7.4 is 10.17:1, then what is the pKa of the loss of the first proton H2CO3? 2. Collagen type I is a coiled-coil protein triples, where each monomer of collagen is a trimer repeat amplified (Gly-XY) n. Why the presence and sequence of glycine in the collagen monomer crucial to the structure of collagen? 3. Without enzymes, cells could not exist. What three properties have the enzymes have to make life possible? 4. Explain how strong binding of a substrate of an enzyme is not desirable that tight binding transition state is desirable. Here is my principle: 1. pH = pKa – log (salt / acid) 7.4 = 7.4 – Log (10.17 / 1) = 7.3 2. gli it in many places WHeR AA Interal acid may be a helix of collagen. 3. one speed) rxn b) select specific biochemical pathways c) allow 4-way regulation. close union of the transition state requires less energy and less time rxn
Here, "is the Henderson-Hasselbalch right way forward. However, you have the wrong value for some reason (do not know why, maybe a typing error): pH = pKa – log (10.17) = 6.39 (What is it that my dear friend and gave) To the second question, I believe they are correct. I can only quote Wikipedia: "Because glycine is the smallest amino acid that plays a unique role in fibrous structural proteins. In collagen, Gly is required at every third position because the assembly the triple helix places this residue on the interior (axis) of the helix, where there is no room for a larger side group than glycine single hydrogen atom. For the same reason, the rings of Pro and Hyp must point out. These two amino acids thermally stabilize the triple helix – Hyp even more than Pro – and fewer are required in animals such as fish, whose body temperatures are low. "Read: To http://en.wikipedia.org/wiki/Collagen the third question, I am sure they are correct. However, I do not forget to mention that most of the enzymes catalyze the reactions of more than 1000 times faster. I would said that its fourth answer is correct. Hope that helps. Have a good day.
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