Define(1) cofactor(2)gycosidic (3)peptide bond (4) phospodiester bond

1.	Define(1) cofactor(2)gycosidic (3)peptide bond (4) phospodiester bond
Answer» Cofactors\xa0are not proteins but rather help proteins, such as enzymes, although they can also help non-enzyme proteins as well.\xa0Examples\xa0of\xa0cofactors\xa0include metal ions like iron and zinc.A\xa0peptide bond\xa0is a chemical\xa0bond\xa0formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis reaction (also known as a condensation reaction), and usually occurs between amino acids.\xa0Glycosidic bonds\xa0are the covalent chemical\xa0bonds\xa0that link ring-shaped sugar molecules to other molecules.The\xa0phosphodiester bond\xa0is the\xa0linkage\xa0between the 3\' carbon atom of one sugar molecule and the 5\' carbon atom of another, deoxyribose in DNA and ribose in RNA.

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