24. Which of the following axioms regarding enzymes is not corect? a) \"Not all

Question

24. Which of the following axioms regarding enzymes is not corect? a) "Not all proteins are enzymes, but all enzymes are proteins." b) "Not all proteins are enzymes and not all enzymes are proteins. c) "Not all enzymes are proteins; some enzymes depend on RNA for their catalytic activity. d) Can you repeat the question? 25. What are the limitations of protein enzymes? a) They are active within a certain range of temperature. b) They are limited to a pH range. c) They may have specific requirements (coenzymes or cofactors) d) All of the above e) None of the above 26. Find the mismatched pair a) Entropy (AS)-measurement of disorder in a thermodynamic system b) AG

Explanation / Answer

Answer 24) the correct answeer is a. All proteins are neither enzyme some are ion channel polymerase chaperons etc. Also not all enzymes are proteins because some RNA also has enzymatic activity called ribozymes.

25) The answer is e. Protein enzymes require specific temperature and pH to function. Beyond that specific range of temperature and function, they loos their tertiary confirmation and thus activity. some protein enzymes require additional thigs to function.

26) The correct answe is d. Second law of thermodynamics says that in a isolated system total entropy can not decrease. It will be always increasing.

27) The correct answer is b. Formation of peptide bond require energy which is supplied via ATP thus this process is unfavourable having positive delta G.

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