What is RNA?

What is RNA?

• A. Deoxyribonucleic Acid
• B. Protein
• C. Carbohydrates
• D. Ribonucleic Acid

Answer: (D)

RNA is a nucleic acid known as ribonucleic acid. It is built from nucleotides that contain a ribose sugar, a phosphate group, and a nitrogenous base (adenine, cytosine, guanine, or uracil). Unlike DNA, it uses ribose and has uracil instead of thymine, and it is typically single-stranded. These features let RNA carry out its roles in gene expression: messenger RNA transports genetic information from DNA to ribosomes, where it directs protein synthesis; transfer RNA brings specific amino acids to build proteins; ribosomal RNA forms a structural and catalytic part of the ribosome. This makes RNA distinct from DNA, proteins, and carbohydrates.

RNA is a nucleic acid known as ribonucleic acid. It is built from nucleotides that contain a ribose sugar, a phosphate group, and a nitrogenous base (adenine, cytosine, guanine, or uracil). Unlike DNA, it uses ribose and has uracil instead of thymine, and it is typically single-stranded. These features let RNA carry out its roles in gene expression: messenger RNA transports genetic information from DNA to ribosomes, where it directs protein synthesis; transfer RNA brings specific amino acids to build proteins; ribosomal RNA forms a structural and catalytic part of the ribosome. This makes RNA distinct from DNA, proteins, and carbohydrates.