NEET · Biology · STD 12 - 5. molecular basis of inheritance

The process of translation of mRNA to proteins begins as soon as :

A The larger subunit of ribosome encounters mRNA
B Both the subunits join together to bind with mRNA
C The tRNA is activated and the larger subunit of ribosome encounters mRNA
D The small subunit of ribosome encounters mRNA

Verified Solution

Answer & Solution

Correct Answer

(D) The small subunit of ribosome encounters mRNA

Step-by-step Solution

Detailed explanation

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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Match the metal ions given in Column\(- I\) with the spin magnetic moments of the ions given in Column\(-II\) and assign the correct code

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\((b)\;Cr^{+3}\)	\((ii)\;\sqrt{35}\; B.M.\)
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\((d)\;Ni^{+2}\)	\((iv)\;\sqrt{24}\; B.M.\)
	\((v)\;\sqrt{15}\; B.M.\)

\((a)\quad (b)\quad (c)\quad (d)\)

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Mucor	Reproduction by Conjugation	Ascomycetes
Agaricus	Parasitic fungus	Basidiomycetes
Phytophthora	Aseptate mycelium	Basidiomycetes
Alternaria	Sexual reproduction absent	Deuteromycetes

List I	List II
A. Molluscs	I. Pulmonary respiration only
B. Reptiles	II. Branchial respiration
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Tissue	Location
\((a)\) Transitional epithelium	Tip of nose
\((b)\) Cuboidal epithelium	Lining of stomach
\((c)\) Smooth muscle	Wall of intestine
\((d)\) Areolar tissue	Tendons