Among the largest RNA genome viruses are ________ which contain a ________ genome

A) coronaviruses / dsRNA
B) coronaviruses / positive ssRNA
C) polioviruses / dsRNA
D) polioviruses / positive ssRNA


Answer: B

Biology & Microbiology

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Which of the following is NOT a subunit of lipopolysaccharide (LPS)?

A) O-specific polysaccharide B) lipid A C) core polysaccharide D) M protein

Biology & Microbiology

Which description fits the molecule in this diagram?



a. triacylglycerol
b. artificially hydrogenated trans fat
c. polyunsaturated fatty acid
d. amphipathic phospholipid

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Which of the following statements about eukaryotic gene expression is true?

a. Transcription occurs only within the nucleus. b. Transcription occurs after protein translation. c. Translation occurs in the nucleolus. d. Ribosomes translate tRNA into protein.

Biology & Microbiology

Whether one atom will bond with another depends

on the element and the number and arrangement of its a. protons. b. neutrons. c. electrons. d. neutrinos. e. pions.

Biology & Microbiology