Activators
A) are involved in negative control AND bind to the terminator.
B) are involved in positive control AND bind to the terminator.
C) are allosteric proteins AND are involved in positive control .
D) are allosteric proteins AND are involved in negative control.
E) are involved in negative control AND bind to the start codon.

Question

Activators
A) are involved in negative control AND bind to the terminator.
B) are involved in positive control AND bind to the terminator.
C) are allosteric proteins AND are involved in positive control .
D) are allosteric proteins AND are involved in negative control.
E) are involved in negative control AND bind to the start codon.

Quizplus · Accepted Answer

Activators are allosteric proteins that bind to specific sites on DNA, called enhancers, to increase transcription of a gene. They are involved in positive control and activate transcription when they bind to the enhancer region. Therefore, option C is the best choice.