In a DNA double helix, what kind of chemical bonds form between the complementary nitrogenous bases?
A) polar covalent bonds
B) phosphodiester bonds
C) nitrogen bonds
D) hydrogen bonds
Ans: D) hydrogen bonds
Biology & Microbiology
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Which physiological group of bacteria is a subset of the other?
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Biology & Microbiology
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a. Maine b. Quebec, Canada c. equatorial rainforest d. The Everglades (in Florida) e. Arizona
Biology & Microbiology