First slide

Regulation of Gene Expression

Question

Arrange the following DNA sequences of lac operon in correct sequence.
A. lac z B. lac promoter C. lac a D. lac operator

Easy

A

B, D, A C
B

D, B , A, C
C

A, D, C, B
D

B, A, D, C

Solution

The DNA sequences in lac operon are respectively lac i, lac promoter, lac operator, lac z, lac y and lac a.

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