MHT CET · BIOLOGY · STD 12 - 4. Molecular Basis of Inheritance

During translation in protein synthesis, joining of larger and smaller subunit of ribosome requires __________ ions.

A \(Mn ^{++}\)
B \(Cl ^{-}\)
C \(Ca ^{++}\)
D \(Mg ^{++}\)

Verified Solution

Answer & Solution

Correct Answer

(D) \(Mg ^{++}\)

Step-by-step Solution

Detailed explanation

Helicase is involved in DNA replication and helps in unwinding the DNA strands, it does not prevent the separated strands in a replicon from rejoining. Other mechanisms such as single-stranded DNA binding proteins and topoisomerases help in maintaining the separation of the DNA strands during replication.

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.

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