Read of the following statements and cho...

Read of the following statements and choose the option which has all the correct statements :-
(a) Enzymes are highly specific to substrate
(b) Enzymes require optimum temperature and pH for maximum activity.
(c) Almost all enzymes are protein
(d) Enzyme increase the activation energy Options :-

a, c, d

a, b, c

b, c, d

a, b, d

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The correct Answer is:

Which one of the following statements regarding enzyme inhibition is correct?

Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein.

Non-competitive inhibitors often bind to the enzyme irreversibly.

Non-compeititve inhibtitve of an enzyme can be overcome by adding large amount of substrate.

Competitive inhibition is seen when the substrate and the inhibitor compelte the active site on the enzyme

Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein

Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme

Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate

Non-competitive inhibitors often bind to the enzyme irreversibly

Almost all enzymes are proteins

There are some nucleic acids which behave like enzymes and are called ribozymes

Enzymes obtained from thermophilic organisms retain their catalytic power even at high temperatures up to `80-90^(@)C`

Ribozyme was discovered by Morgan et al.