An operon is defined as:

a. a group of structural genes, with no regulatory sequences.
b. regulatory sequences upstream of a structural gene.
c. a group of related structural genes, plus their associated regulatory sequences.
d. one structural gene plus one regulatory gene.
e. a group of unrelated structural genes, plus their associated regulatory sequences.


c

Biology & Microbiology

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Which nervous system conserves energy by slowing the heartbeat and breathing rate and promoting digestion and elimination?

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