Multiple Choice
Which type of bonding is found in the backbone of nucleic acids?
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1. Introduction to Biochemistry
Nucleic Acids
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Which type of polymer is composed of many nucleotide monomers?
A
Nucleic acid
B
Lipid
C
Polysaccharide
D
Polypeptide
Verified step by step guidance1
Understand the question: The problem is asking which type of polymer is made up of nucleotide monomers. Nucleotides are the building blocks of a specific type of macromolecule.
Recall the structure of nucleotides: Nucleotides consist of three components: a phosphate group, a sugar (either ribose or deoxyribose), and a nitrogenous base. These components are unique to a specific type of polymer.
Identify the polymer formed by nucleotides: Nucleotides link together through phosphodiester bonds to form long chains. These chains are known as nucleic acids, which include DNA and RNA.
Eliminate incorrect options: Lipids are composed of fatty acids and glycerol, polysaccharides are made of monosaccharide units, and polypeptides are formed from amino acids. None of these are composed of nucleotides.
Conclude the correct answer: The polymer composed of nucleotide monomers is nucleic acid, which includes DNA and RNA.
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