BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Monomer of nucleic acids; consists of a phosphate group, deoxyribose (sugar), and a nitrogen-base. ATP is an example of this.
A
steroid
B
nucleotide
C
polypeptide
D
polymer
Explanation: 

Detailed explanation-1: -Answer and Explanation: The monomer of nucleic acids that is made up of a 5-carbon sugar (a pentose, which is either ribose, or deoxyribose), a phosphate group, and a nitrogenous base (which may be adenine, cytosine, guanine, thymine, or uracil) is called a nucleotide.

Detailed explanation-2: -Nucleotide A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

Detailed explanation-3: -A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate group, and a sugar (deoxyribose in DNA; ribose in RNA). DNA and RNA are polymers comprised of many nucleotides, strung together like beads in a necklace.

Detailed explanation-4: -The monomers of DNA are called nucleotides. Nucleotides have three components: a base, a sugar (deoxyribose) and a phosphate residue. The four bases are adenine (A), cytosine (C), guanine (G) and thymine (T). The sugar and phosphate create a backbone down either side of the double helix.

Detailed explanation-5: -Examples of nucleosides include adenosine, guanosine, cytidine, thymidine, uridine, and inosine. Nucleotides have names complimentary to the nucleosides, but with the addition of phosphate groups. For example, 5’-uridine monophosphate.

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