Q.26 The view that active site of an enzyme is flexible and when a substrate combines with it, cause
changes in enzyme structure is known as:
A) Lock & key model C) Sliding filament model
B) Induce fit model D) Specificity model
Q.27 All coenzymes are derived from:
A) Proteins C) Carbohydrate
B) Nucleic acids D) Vitamins
Q.28 The most common respiratory substrate as a source of energy is
A) Glucose C) Fructose
B) Sucrose D) Insulin
Q.29 The simplest monosaccharide containing keto group is
A) Glyceraldehyde C) Glucose
B) Dihydroxy acetone D) Ribose
Q.30 If the genetic code is made up of three nucleotides, then total possible genetic codes will be
A) 4 C) 64
B) 20 D) 61