Proteins are composed of amino acids, whereas nucleic acid is composed of a nitrogenous base, phosphate, and sugar.
Further Explanation:
Amino acids are also called the building blocks of proteins. They are composed of elements such as carbon, hydrogen, nitrogen, and oxygen. Some amino acid, such as cysteine also contains sulphur. Amino acids residues are joined together by a peptide bond to carry out the formation of a polypeptide chain of a protein. Some proteins also act as an enzyme which is involved in metabolic functions of the body and catalyzes several biochemical functions. They also play a significant role in cell signalling, adhesion, regulation of normal cell cycle, and immune responses.
Nucleic acids are important biomolecule that are made of nitrogenous bases, a five-carbon sugar, and a phosphate group. There are two types of nitrogenous bases such as purine and pyrimidine bases. Purine base involves adenine and guanine whereas, pyrimidine base involves cytosine, thymine, and uracil nitrogenous base. Two types of sugars that is ribose and deoxyribose sugar are also found in the nucleic acid.
There are two types of nucleic acid such as DNA and RNA. Deoxyribose sugar, thymine pyrimidine base is found in the DNA, whereas ribose sugar and uracil pyrimidine base is found in the RNA molecule. The nucleotides are linked with one another by covalent bonds. The covalent bonds are present between one molecule of phosphate and another molecule of sugar. <u>The type of linkage formed between phosphate group and sugar molecule of nucleic acid is called phosphodiester linkage that leads to the formation of the phosphate-sugar backbone of DNA and RNA.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Biomolecules
Keywords:
Nucleic acid, protein, DNA, RNA, phosphorus, sugar, ribose, deoxy-ribose, amino acid, carbon, oxygen, water, hydrogen, sulphur.