Complementary DNA strands are held together by
A. phosphodiester bonds.
B. ionic bonds.
C. covalent bonds.
D. glycosidic bonds.
E. hydrogen bonds.
E. hydrogen bonds.
Biology & Microbiology
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The most abundant microbes in the marine environment are:
a. bacteria. b. diatoms. c. foraminiferans. d. viruses. e. dinoflagellates.
Biology & Microbiology
Compared with plants growing in shade, plants growing in sunlight tend to have smaller
A) stems. B) roots. C) leaves. D) flowers.
Biology & Microbiology
Which plant hormone is responsible for apical dominance?
A) auxin B) ethylene C) cytokinin D) gibberellin
Biology & Microbiology
Some cancer cells produce the enzyme ________, which avoids stimulating apoptosis based on the number of cell divisions.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology