Lipopolysaccharide is comprised of three moieties (lipid A, core oligosaccharide, and O-antigen), which require ________ biosynthetic pathway(s).

A. six
B. one
C. two
D. three


Answer: C

Biology & Microbiology

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Indicate whether the statement is true or false

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The chemical reactions of photosynthesis occur in which cellular organelle?

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The Sahara Desert and the Negev Desert belong to the same ________

A) community B) savanna ecosystem C) biome D) temperate grassland

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