21 22
23
24
25

C
During transcription, what happens to the RNA polymerase if a repressor protein attaches to the operator?
O It begins transcription
It begins translation.
It cannot attach to enzyme 1.
It cannot attach to the promoter.

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other