Suppose a mutant strain can survive if substrate 5 is added to the growth medium but it cannot grow if substrates 1, 2, 3, or 4 are added. Which enzyme in the pathway is affected in this mutant?
a. enzyme C
b. enzyme B
c. enzyme E
d. enzyme D
e. enzyme A

answer:

Suppose a mutant strain can survive if substrate 5 is added to the growth medium but it cannot grow if substrates 1, 2, 3, or 4 are added. Which enzyme in the pathway is affected in this mutant?

a. enzyme C

b. enzyme B

c. enzyme E

d. enzyme D

e. enzyme A

Explanation:

b exhibiting favoritism toward the kikuyu people.