How Does the Lactose Repressor Block Transcription of the Lactose

question 16

Multiple Choice

How does the lactose repressor block transcription of the lactose operon?

• A) by "turning off" the appropriate genes in the intron
• B) by regulating the activity of the enzymes that the operon codes for
• C) by binding allosterically to the appropriate genes
• D) by slowing the uptake of lactose into the cell
• E) by binding to the operator