Question

Carbon, hydrogen, oxygen, nitrogen, and phosphorus atoms can combine to form a nucleotide. Many nucleotides can combine to form a nucleic acid. Which sentence is true?

A. Nucleotides are monomers, and nucleic acids are macromolecules.
B. Nucleotides are atoms, and nucleic acids are macromolecules.
C. Nucleotides are monomers, and nucleic acids are proteins.
D. Nucleotides are macromolecules, and nucleic acids are monomers.

which one is A. B. C. or D.​

Answer 1

A. Nucleotides are monomers, and nucleic acids are macromolecules.

Step-by-step explanation:

A nucleotide is a small molecule consisting of a nitrogenous base, a five-carbon sugar (ribose or deoxyribose), and one or more phosphate groups. Nucleotides serve as the building blocks or monomers of nucleic acids, such as DNA and RNA.

Nucleic acids are macromolecules composed of long chains of nucleotides that are joined by covalent bonds between the sugar of one nucleotide and the phosphate group of another. These chains can be very long, with DNA molecules consisting of millions or billions of nucleotides.

Therefore, nucleotides are the monomers, or building blocks, of nucleic acids, which are macromolecules made up of many nucleotides joined together.