NEET · Biology · STD 11 - 9. Biomolecules

Which of the following statements is correct with reference to enzymes?

A Holoenzyme = Apoenzyme + Coenzyme
B Coenzyme = Apoenzyme + Holoenzyme
C Holoenzyme = Coenzyme + Cofactor
D Apoenzyme = Holoenzyme + Coenzyme

Verified Solution

Answer & Solution

Correct Answer

(A) Holoenzyme = Apoenzyme + Coenzyme

Step-by-step Solution

Detailed explanation

(a) : Holoenzyme is the complete conjugate enzyme consisting of an apoenzyme and a cofactor. Cofactor may be organic or inorganic in nature. Organic cofactors are of two typescoenzyme and prosthetic group.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Match List \(I\) with List \(II\) :

List \(I\) (Sub Phases of Prophase \(I\))	List \(II\)
(A) Diakinesis	(I) Synaptonemal complex formation
(B) Pachytene	(II) Completion of terminalisation of chiasmata
(C) Zygotene	(III) Chromosomes look like thin threads
(D) Leptotene	(IV) Appearance of recombination nodules

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Match List \(I\) with List \(II\).

List \(I\)	List \(II\)
\(A\). Ringworm	\(I\). Haemophilus influenzae
\(B\). Filariasis	\(II\). Trichophyton
\(C\). Malaria	\(III\). Wuchereria bancrofti
\(D\) Pneumonia	\(IV\). Plasmodium vivax

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