Question

RNA contains
A) Tetrose sugar
B) Dextrose sugar
C) Ribose sugar
D) Deoxyribose sugar

Answer 1

It is a polymeric molecule which is important in the coding, decoding, regulation and expression of genes in various biological roles. Nucleic acids are RNA and DNA. Nucleic acids constitute one of the four main macromolecules important to all known types of life, along with lipids, proteins , and carbohydrates. Like DNA, RNA is assembled as a nucleotide chain, but rather than a paired double strand, RNA is found in nature as a single strand folded into itself, unlike DNA.

Complete answer:
The linear molecule ribonucleic acid ( RNA) consists of four groups of smaller molecules called the bases of ribonucleotides: adenine (A), cytosine ( C), guanine (G), and uracil ( U). A ribose sugar, a phosphate group, and a nitrogen base make up each ribonucleotide base.
Via chemical bonds called phosphodiester bonds, adjacent ribose nucleotide bases are chemically attached to one another in a chain.Rather than deoxyribose sugars, RNA contains ribose sugars, making RNA more unstable and more sensitive to degradation.
A cyclical structure consisting of five carbons and one oxygen is the ribose sugar of RNA. In the ribose sugar molecule, the presence of a chemically reactive hydroxyl (-OH) group attached to the second carbon group makes RNA vulnerable to hydrolysis.
RNA's three-dimensional structure is crucial to its stability and function, allowing cellular enzymes that bind chemical groups (e.g. methyl groups) to the chain to alter ribose sugar and nitrogen bases in many different ways. These modifications allow chemical bonds to be formed between distant regions in the RNA strand, resulting in complex contortions in the RNA chain, which further stabilises the structure of the RNA.

The correct Answer is option(C)Ribose sugar.

Note: The RNA molecule structure was described by R.W. 1965's Holley.While RNA in most cells does not serve as genetic material, for many viruses that do not contain DNA, RNA retains this role. RNA, therefore, obviously has the additional potential to function as genetic knowledge.