Plants can most readily utilize the ________ form of nitrogen
A) nitrous oxide
B) N2
C) amino
D) nitrate
D
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What is a DNA library?
A. A collection of vectors, each containing a fragment of the original genome B. A complete sequence of the genetic material in an organism C. An electronic file that may be used for additional genetic analysis D. A collection of mRNA from a given cell
__________ percent of American adults are
overweight or obese. a. 30 b. 40 c. 50 d. 60 e. 70
The radioactive isotope 32P labels the T2 phage's _____.
Fill in the blank(s) with the appropriate word(s).
Bordetella pertussis causes disease by
A) the development of pneumonia. B) interfering with the action of the ciliated epithelial cells of the trachea. C) suppressing the production of mucus by the respiratory lining. D) forming a pseudomembrane that obstructs the larynx. E) irritating the diaphragm, which leads to severe coughing attacks.