- (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
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- (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
- (A) Co-enzyme
- (B) Blocker
- (C) Inhibitor
- (D) Cofactor
- (A) Irreversible inhibitor
- (B) Reversible inhibitor
- (C) Competitive inhibitor
- (D) Non-competitive inhibitor
- (A) It contains protein molecules embedded in lipid bilayer
- (B) It is a differentially permeable membrane.
- (C) It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
- (D) It may get infolded to engulf solid or liquid material.
- (A) Competitive inhibitors.
- (B) Non-competitive inhibitors
- (C) Irreversible inhibitors.
- (D) Both a and b
- (A) 500 X
- (B) 250000X
- (C) 500000X
- (D) 250X

