Question

At what rate will tryptophan synthesis in bacteria continue under the follwing situation: I+O+Z-Y+A+ a.80% b.100%...

At what rate will tryptophan synthesis in bacteria continue under the follwing situation: I+O+Z-Y+A+
a.80%
b.100%
c.0%
d.75%
e. 50%
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Answer #1

The Z- is found in the given lac operon sequence. That's why the beta galactosidase is not produced whether the lactose is present or absent. The given sequence is for lac operon. Due to absence of beta galactosidase, there is not found break down of lactose into glucose and and galactose. Hence there is not found any energy substrate in E. coli.

The trp operon is not given in the DNA. That's why there is not found any trp synthesis genes. That's why no tryptophan synthesis is found. There. That's why the tryptophan synthesis is found in 0%

C is the answer.

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