The two common vectors used to transfer a piece of DNA into a cloning host are ________ and ________.

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


plasmids; viruses

Biology & Microbiology

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An example of a purine is

A) thymine. B) guanine. C) acridine. D) cytosine. E) uracil.

Biology & Microbiology

What marine biology laboratory inspired other facilities of the same kind?

a. Marine Biological Laboratory at Woods Hole b. Friday Harbor Laboratories of the University of Washington c. Museum of Comparative Zoology at Harvard University d. Scripps Institute of Oceanography in California

Biology & Microbiology

Factors that influence population growth but do not change systematically with the density of the population are called density-________ factors

Fill in the blank(s) with correct word

Biology & Microbiology

Costal facets are found on the ________ vertebrae.

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

Biology & Microbiology