An RNA molecule is typically _____ ; a DNA molecule is typically _____

a. single-stranded; double-stranded
b. double-stranded; single-stranded
c. both are single-stranded
d. both are double-stranded


A

Biology & Microbiology

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Testing of a hypothesis is called a(n):

A. variable B. experiment C. prediction D. conclusion E. control

Biology & Microbiology

carbon dioxide fixation occurs ______, and the Calvin cycle occurs _______.

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

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Neisseria gonorrhoeae is:

A. the cause of ophthalmia neonatorum. B. the cause of gonorrhea. C. called the gonococcus. D. virulent due to fimbriae and a protease that inactivates IgA. E. All of the choices are correct.

Biology & Microbiology

Antibodies are classified as

a. nucleoproteins. b. immunoglobulins. c. polysaccharides. d. steroids. e. lipids.

Biology & Microbiology