A group of prokaryotic genes that are controlled together is a(n)

A. proteome.
B. ribosome.
C. replication fork.
D. operon.
E. chromosome.


D. operon.

Biology & Microbiology

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How does "the pill" work to prevent pregnancy?

A) It is a barrier between the vagina and the cervix. B) It delivers progesterone leading the ovary to discontinue ovulating a new oocyte. C) It produces an acidic environment for sperm. D) It blocks the oviduct, preventing passage of eggs or sperm.

Biology & Microbiology

Explain the purpose of meiosis

What will be an ideal response?

Biology & Microbiology

In a resting person what percentage of blood pumped by the right ventricle enters the lungs?

a. 0 percent b. 10 percent c. 20 percent d. 50 percent e. 100 percent

Biology & Microbiology

Which of the following findings was essential for Edward Jenner's vaccination process?

A) Exposure to a milder disease form may produce immunity. B) A weakened microorganism will not cause disease. C) Someone who recovers from a disease will not acquire that disease again. D) Disease is caused by viruses. E) Pathogenic microorganisms infect all humans and animals in the same manner.

Biology & Microbiology