The tuberculin test is an example of an in vivo serological test.

a. true
b. false


a. true

Biology & Microbiology

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A plasmid from the plant pathogenic bacterium ________ ________ is chiefly responsible for the successful genetic engineering of plants.

What will be an ideal response?

Biology & Microbiology

The best estimate for the number of people suffering from diabetes mellitus in the U.S. is ________.

A. 29,000 B. 290,000 C. 2,900,000 D. 29,000,000

Biology & Microbiology

The only invertebrates capable of flight are arachnids

Indicate whether the statement is true or false

Biology & Microbiology

Embryonic stem cells are taken from:

A) iPS cells. B) blastocysts. C) eggs. D) adult tissues.

Biology & Microbiology