4 5 678910 11 12 13 14 15 (4 of 15) Enzyme X is known to bind to substrates A an

Question

4 5 678910 11 12 13 14 15 (4 of 15) Enzyme X is known to bind to substrates A and B. The Km of X for A is 0.05mM and the Km of X for B is 5.0mM. Given this information which of the following statements is true? Enzyme X is more specific for substrate B If the concentration of A and B were both 2mM it would be expected that X would achieve a greater velocity If the concentration of A and B were both 2mM it would be expected that X would achieve a greater velocity If the concentration of A and B were both 2mM it would be expected that X would achieve similar velocities The Km cannot tell us anything about the rate of an enzyme with different substrates but only its specificity with A as opposed to B. with B as opposed to A. with both A and B. for a substrate.

Explanation / Answer

Ques 1

2nd statement and 5th statement are true

Question 2:None of the above

Question3:

1-A

2-B

3-D

4-c

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