Question

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Answer 1

Answer:

1) uridine

2) thymine

3) A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base.

4) Nucleosides are the structural subunit of nucleic acids such as DNA and RNA.. A nucleoside consists simply of a nucleobase and a five-carbon sugar ribose whereas a nucleotide is composed of a nucleobase, a five-carbon sugar, and one or more phosphate groups.

5) Any of several compounds that consist of a ribose or deoxyribose sugar joined to a purine or pyrimidine base and to a phosphate group and that are the basic structural units of nucleic acids are called nucleotides.

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Answer 2

Explanation:

1) Uridine

2) thymine

3) A nitrogenous base, or nitrogen-cotaning base, is a organic molecule with a nitogen atom that has the chemical properties of a base. A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.

4) Nucleside are glycosylamines that can be thought of as Nucleotides without a phosphate group. A nucleside consists of a nucleobase and a five - carbon sugar, and one or more phosphate group