Cells utilize their ability to use both kinetic and potential energy to run cellular processes
a. true
b. false
Ans: a. true
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Which of the following does not reflect the action of an effector molecule on the transcription of a gene?
A. An effector binds to a repressor to decrease the level of transcription. B. An effector binds to a repressor to increase the level of transcription. C. An effector binds to an activator to increase the level of transcription. D. An effector binds to a polymerase to increase the level of transcription.
Cones are used for
A. dim light vision B. bright light vision
The primary problem animals faced in adapting to life on land was:a
finding a mate in the new environment. b. being able to move around in the new environment. c. the presence of predators, which was not a problem in the ocean. d. the dry atmosphere. e. acquiring enough oxygen.
In classical conditioning, an animal must do something to gain a reward or avoid punishment. Indicate whether the statement is true or false