In E. coli, the genes for utilization of maltose are at various locations across the chromosome but are activated by the same maltose activator protein. This is an example of a(n)

a. operon.
b. regulon.
c. riboswitch.
d. two-component regulatory system.


Answer: B

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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In diabetes mellitus, the problems associated

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A duplicated chromosome consists of two ________

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