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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a. bacteria. b. plants. c. fungi. d. animals. e. both bacteria and fungi.
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A quadrat is usually used to measure density in mobile populations of animals
Indicate whether the statement is true or false
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The chemical reactions of photosynthesis occur in which cellular organelle?
A) Chloroplasts B) Nucleus C) Mitochondria D) Ribosomes
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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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