How Does the Binding of The $\lambda$ Phage CI Repressor to O_R1 and O_R2 Block Transcription from to O_R1

question 25

Multiple Choice

How does the binding of the $\lambda$ phage cI repressor to O_R1 and O_R2 block transcription from P_R?

• A)It prevents the RNA polymerase from transcribing down the gene.
• B)It blocks binding of the RNA polymerase to the -10 and -35 sites on the promoter.
• C)It terminates transcription at an earlier terminator.
• D)It leads to the degradation of the RNA produced from P_R.
• E)It activates a promoter that produces an antisense transcript.

---

Definitions:

Hereditability

A measure of how well differences in people's genes account for differences in their traits.

Unconscious

The part of the mind that contains thoughts, memories, and desires not currently in focal awareness but can influence behavior.

Social Cognitive View

A psychological perspective emphasizing the role of observational learning, imitation, and modeling in behavior, influenced by interactions with others and the environment.

Psychodynamic View

A theoretical perspective in psychology that emphasizes the role of unconscious processes and childhood experiences in shaping personality and behavior.