Which of the following has episomal DNA inserted in the cell's chromosome?

A) An F+ cell
B) An F' plasmid
C) An Hfr cell
D) An F- cell
E) All except D


C

Biology & Microbiology

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A pedigree of an autosomal dominant trait will likely show all of the following characteristics EXCEPT:

a) Skipping of a generation b) Equal numbers of males and females affected c) Unaffected individuals do not pass on the trait d) 1/2 of the offspring of an affected individual are usually predicted to have the trait

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The genes of the human leukocyte antigens (HLA) system encode cell surface

A) phospholipids. B) glycolipids. C) glycoproteins. D) histamines.

Biology & Microbiology

In flatworms and sea anemones, circulation of

solutes and gases is by way of

a. interstitial fluid diffusion. b. an open circulatory system. c. a closed circulatory system. d. cell to cell transport. e. intracellular diffusion.

Biology & Microbiology

What is a stent?

A. a treatment to lower blood pressure B. a cylinder of expandable metal mesh C. time spent in recovery after coronary bypass surgery D. an instrument that regulates the heartbeat E. a treatment for phlebitis

Biology & Microbiology