Operon: gene clusters that encode the proteins necessary to perform coordinated function
: under the control of a single promoter region
Which of the following statements best defines the term operon?
a) An operon is a region of DNA that codes for sugar-metabolizing enzymes.
b) An operon is a region of DNA that consists of a single gene regulated by more than one promoter.
c) An operon is a region of RNA that consists of the coding regions of more than one gene.
d) An operon is a region of DNA that codes for a series of functionally related genes under the control of the same promoter.
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