2. Given multiple enzymes that can catalyze the same reaction, which of the foll

Question

2. Given multiple enzymes that can catalyze the same reaction, which of the following would be the choice, given the kinetic parameters below? A) Enzyme 1: Km-10, Vmax 10 C) Enzyme 3: Km-2, Vmax-1 E) Enzyme 5: Km-0.5, Vmax- 5 B) Enzyme 2: Km = 0.5, Vmax-1 D) Enzyme 4: Km = 0.1, Vmax = 10 13. When comparing similarities among multiple protein structures, which of the following is falsé? A) Proteins with the same function from a different species are likely to have similar motifs. B) Proteins with the same function from different species are likely to be more similar in sequence than in structure. C) An effective protein motif is likely be observed in multiple proteins D) Proteins with the same motifs are likely to perform similar functions E) None of the above statements are false.

Explanation / Answer

12. Option D is correct.

Km = 0.1

Vmax = 10

Less Km = More affinity

High Vmax = Greater turnover number

13. Option B is correct.

The function of a protein is strongly correlated with its structure.

Proteins that perform a similar function are more likely to share common secondary/tertiary structure than common primary structure.

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