Prepare for NEET Biology Biomolecules (Enzymes) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert guidance to examine enzyme kinetics, specificity, and regulation.
Proteins with catalytic power are known as
Metabolites
Essential proteins
Enzymes
Receptors
Enzymes catalyses the biochemical reactions by β¦β¦ the activation energy
Increasing
Lowering
Unaltering
Either (a) or (b)
Which of the following is an isozyme?
Ξ±-amylase
Glucokinase
Lactic dehydrogenase
All of these
A competitive inhibitor, competes with the substrate, for the substrate binding site of enzymes due to its
Structural similarity with substrate
Molecular weight similarity with substrate
Both (a) and (b)
Larger size than that of substrate
The substance, which is metal ion essential for the normal functioning of enzyme is called
Cofactor
Coenzyme
Holoenzyme
None of these
In which one of the following sets of three items each belong to the category mentioned against them?
Iron, Silver, Gold : Metals
Mercury, Bromine, Water : Metals
Hydrogen, Oxygen, Nitrogen : Metals
Brass, Bronze, Air : Metals
The inhibitor which binds to the enzyme at site other than the active site and do not resemble the substrate in structure is called
Activator
Substrate analogue
Competitive inhibitor
Non-competitive inhibitor
A physical change, during a chemical reaction refers to
Change in shape without breaking of bonds
Change in state of matter
Change in the bond energy during the chemical reaction
Both (a) and (b)
Inhibition of enzyme activity by a molecule, which reversibly modifies the structure of the active site of the enzyme is called
Competitive inhibition
Non-competitive reversible inhibition
Allosteric inhibition
None of the above