If you add enzyme to a solution containing only the product(s) of a reaction, wo

Question

If you add enzyme to a solution containing only the product(s) of a reaction, would you expect any substrate to form? Yes, because the enzyme reduces the standard free energy for the reaction. No, because the enzyme lowers the transition state energy barrier. No, because product inhibits the enzyme. No, becau.se enzymes catalyze only the forward reaction. yes, because the reaction proceeds backwards until equilibrium is reached. which of the following is the most general form: coenzyme metal ion co factor prosthetic group NAD^+ which of the following increases the affinity of hemoglobin for oxygen: an increase in BPG concentration. the formation of N-terminal carbonates. increasing pH. all of the above none of the above

Explanation / Answer

Hi,

5. I think option E is the right answer. The substrates would be formed as the reaction would proceed in the backward reaction until the equlibrium is reached.

6. I think Co-factor is the answer to this question. Since co-factor is a term used to denote terms in biochemistry, algebra and computing. In biochemistry, cofactor can refer to a substance that needs to be present in addition to the co-enzyme for a catalysis of a particular reaction. In linear algebra, the signed minor of a matrix is a co-factor. In boolean computing algorithm, there are terms called positive and negative cofactors.

All other terms like metal ion, coenzyme, prosthetic group, NAD are used in biochemistry.

7. I feel the answer to this question is option C ( Increasing pH). To understand the answer to this question , we must know the phenomenon called bohr effect. Christian Bohr in 1904 observed that hemoglobin bound tightly to oxygen at high pH as opposed to low pH. The reason being as pH increases, hemoglobin looses hydrogen ions from specific amino acids at key sites in its structures, and this results in subtle changes in its structure thus increasing the ability to bind oxygen. On the other hand, when pH decreases; hemoglobin binds to hydrogen ions and its affinity to oxygen decreases.

The fornation of N-terminal carbamates and increase in BPG concentrations would decrease the affinity of hemoglobin to oxygen. This is because both carbamates and BPG decreases hemoglobin's oxygen affinity by binding and stabilizing deoxyhemoglobin.

Hope your queries are solved

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