Final answer:
The polymer for nucleic acid is a polynucleotide, formed by monomers called nucleotides. The correct answer is Option 4: Nucleic Acid.
Step-by-step explanation:
The polymer for a nucleic acid is a polynucleotide, which is composed of monomer units called nucleotides. Nucleotides combine through phosphate diester linkages to form the long chains of polynucleotides that make up DNA and RNA. Accordingly, from the options provided, the correct answer is Option 4: Nucleic Acid, as both DNA and RNA are nucleic acids composed of nucleotide monomers.
Each nucleotide consists of three components: a nitrogenous base, a five-carbon sugar (ribose in RNA and deoxyribose in DNA), and at least one phosphate group. The role of nucleic acids is critical in heredity and protein synthesis. DNA carries the genetic code that determines inherited characteristics, and RNA is involved in the process of utilizing this genetic code to synthesize proteins.