Which of the following statements best defines the term operon?
a. an operon is a region of rna that consists of the coding regions of more than one gene.
b. an operon is a region of dna that codes for sugar-metabolizing enzymes.
c. an operon is a region of dna that codes for a series of functionally related genes under the control of the same promoter.
d. an operon is a region of dna that consists of a single gene regulated by more than one promoter.

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

How does science influence the decisions made about social, economic, and political issues?

Which describes the changes in the earths motion?