- (A) 2.0 ?m
- (B) 2-4 A
- (C) 24 ?m
- (D) 24 A
Biology Mcqs
- (A) Change in ionization of amino acids at the active site of the enzyme
- (B) Change in the ionization of the substrate
- (C) Denaturation of the enzyme
- (D) Increase in the reaction rate
- (A) Lorenz Oken
- (B) Schwann
- (C) Robert Brown
- (D) Rudolph Virchow
- (A) Saturation
- (B) Denaturation
- (C) Composition
- (D) Inhibition
- (A) Cytoplasm
- (B) Nucleus
- (C) Nucleolus
- (D) Endoplasmic reticulum
- (A) Never changes
- (B) Forms no chemical bond with substrate
- (C) Determined by structure and the specificity of the enzyme
- (D) They are non specific in their action
- (A) Enzymes get denatured at higher substrate conc
- (B) Rate of reaction is indirectly proportional to substrate concentration at this point
- (C) All the active sites on enzyme molecule are occupied
- (D) None of these
- (A) Specific enzyme can transform only a specific substrate
- (B) Active site of an enzyme is a non flexible structure
- (C) Active site does not change before during or even after the reaction
- (D) It explains the mechanism of every chemical reaction
- (A) Cellulose
- (B) Chitin
- (C) Inorganic salts silica waxes and ligin
- (D) Peptidoglycan or Murein.
- (A) 27?C
- (B) 37?C
- (C) 47?C
- (D) 30?C
