A nucleotide contains 

A. glycerol and fatty acids.
B. a base, sugar, and phosphate group.
C. amino acids.
D. an acid, base, and salt.


B. a base, sugar, and phosphate group.

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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Answer the following statement true (T) or false (F)

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____ food chains tend to predominate in aquatic ecosystems.

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