Which of the following turns off transcription by binding to the operator?

A) RNA polymerase
B) repressor
C) promoter
D) lactose


B

Biology & Microbiology

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A group of organisms in which the individuals are so closely related in structure, biochemistry, and behavior that they

can successfully interbreed is a(n) ____.

a. class b. genus c. order d. species e. kingdom

Biology & Microbiology

The strongest direct evidence that DNA is the genetic material comes from which contemporary methodology?

What will be an ideal response?

Biology & Microbiology

Uterine tissue is located outside the uterus

Biology & Microbiology

Which of the following structures attaches muscle to the bone?

A. joints B. sarcomere C. adipose tissue D. ligaments E. tendons

Biology & Microbiology