Which statement regarding coenzyme is incorrect?
They are organic molecules.
They are not consumed during the reaction.
They are essential for the activity of some enzymes.
They are tightly bound to the enzyme.
Related Questions
Which of the following statements about ribozymes is INCORRECT?
They are composed of protein.
They can catalyze biological reactions.
They are a type of RNA.
They can act as enzymes.
How does radiations inactivates enzymes?
By destroying tertiary structure
By destroying primary structure
Both (a) and (b)
None of the above
The enzyme part, which combines with non-protein part to form a functional enzyme, is known as
Coenzyme
Holoenzyme
Apoenzyme
Prosthetic group
An example of non-competitive inhibition is
The inhibition of succinic Dehydrogenase by Malonate
Cyanide action on cytochrome oxidase
Sulpha drug on folic acid synthesizing bacteria
The inhibition of Hexokinase by glucose 6-phosphate
The active site of an enzyme is:
The entire enzyme molecule.
The region where the substrate binds.
A non-protein component.
An inhibitor binding site.
Choose the type of enzyme involved in the following reaction
Dehydrogenase
Transferase
Hydrolase
Lyase
Feedback inhibition of enzymes is affected by which of the following?
Enzyme
Substrate
End products
Intermediate end products
Pepsin is an ……enzyme
Intracellular
Extracellular
Both (a) and (b)
None of these
In the catalytic mechanism of carboxypeptidase, the role of the cofactor is primarily to:
Stabilize the enzyme's structure.
Act as a nucleophile and attack the peptide bond directly.
Polarize the carbonyl group of the peptide bond.
Bind the substrate to the active site.
Arrange the steps of enzyme catalysis in the correct order:
(i) Substrate binds to the active site.
(ii) Enzyme-substrate complex is formed.
(iii) Chemical bonds of the substrate are broken.
(iv) Products are released.
(v) Free enzyme is ready to bind another substrate.
ii, i, iii, iv, v
i, ii, iii, v, iv
i, ii, iv, iii, v
i, ii, iii, iv, v
