What is the difference between a nucleoside and nucleotide?
A nucleoside is formed from the covalent bonding of a base, purine or
pyrimidine, to either ribose or 2-deoxyribose. Nucleotides are built from
a nitrogen-containing organic base, a monosaccharide, and phosphate.
Question 2
pts
What characteristic makes purines and pyrimidine heterocyclic?
Each has a ring with nitrogen in the ring instead of all carbon atoms in
the ring.
Question 3
pts
Is this molecule ribose or 2-deoxyribose? Briefly explain what structural
information was used to determine this.
Ribose. This molecule contains an -OH on carbon 2. 2-deoxyribose has an -H
atom on the second carbon.
Question 4
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