biomoleculse mcq test

Invert sugar

Sucrose ( dextro ) on hydrolysis gives mixture of glucose and fructose (laevo )

Nitrogenous base present in DNA but absent in RNA

Thymine

Fibrous protein example

Keratin , Myosin

Nucleotide

Base + Sugar+ phosphate

Number of amino acids in insulin

51

alpha Amino acids that is optically inactive

Glycine

Linkage in proteins

Peptide linkage

Linkage in carbohydrates

Glycosidic linkage

Night blindness

Vit A

Scurvy

Vit C

Rickets

Vit D

Beriberi

B1

Pernicious anaemia

B12

Delayed blood clotting

Vit K

Globular protein example

Insulin, albumin

Nucleoside

Base + Sugar

Two secondary structures of protein

Alpha helix, beta pleated

Amino acids in Dipolar form in aqueous solution

Zwitter ion

Bonds that stabilize alpha helix

Hydrogen bonds

Denaturation of protein destroys

secondary , tertiary structures Primary structure not affected