The molecule needed to allow a cell to transfer genetic information from RNA to DNA is

A. DNA polymerase.
B. RNA polymerase.
C. reverse transcriptase.
D. chlorophyll.


Ans: C. reverse transcriptase.

Biology & Microbiology

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A microbiologist studying the human microbiome is interested in how a particular bacterial species may impact water absorption in the large intestine. Which of the following models is appropriate for this investigation?

A. A normal mouse colonized with enteric microbiota found in the human colon. B. A germfree mouse inoculated with human microbiota shortly after birth. C. A human volunteer who is a carrier of that particular bacterial species. D. A germfree mouse raised in a sterile environment.

Biology & Microbiology

What are the four key facts of weight regulation? (in terms of set point)

What will be an ideal response?

Biology & Microbiology

A bacterial ________ is the nontranscribed region of the DNA to which RNA polymerase binds in order to initiate transcription.

A. initiator B. operator C. operon D. promoter

Biology & Microbiology

Of the three diseases caused by Yersinia pestis, only (bubonic/black/pneumonic) plague is communicable between humans.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology