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Which of the following statements regarding the structure of tRNA is correct?
Statement I: The tRNA molecule has a clover-leaf structure in its two-dimensional form.
Statement II: The tRNA molecule has an inverted L-shaped structure in its three-dimensional form.
Statement I: The tRNA molecule has a clover-leaf structure in its two-dimensional form.
Statement II: The tRNA molecule has an inverted L-shaped structure in its three-dimensional form.
- a)Both Statement I and Statement II are correct
- b)Statement I is correct but Statement II is incorrect
- c)Statement I is incorrect but Statement II is correct
- d)Both Statement I and Statement II are incorrect
Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements regarding the structure of tRNA is c...
The correct answer is Option A - Both Statement I and Statement II are correct
Statement I is correct: the two-dimensional secondary structure of a tRNA is conventionally drawn as a clover-leaf, consisting of the acceptor stem, the D-arm (with the D-loop), the anticodon arm (with the anticodon loop), the variable loop, and the TψC arm (with the TψC loop); the stems are formed by complementary base pairing.
Key molecular features in this representation include the conserved 3'-terminal CCA sequence on the acceptor stem, which is the site of amino-acid attachment, and several modified bases (for example, pseudouridine and dihydrouridine) that occur in specific loops.
Statement II is correct: the actual three-dimensional conformation of tRNA is an inverted L-shaped tertiary structure produced by folding and long-range interactions (notably between the D-loop and the TψC loop); this 3D fold places the anticodon at one end and the amino-acid attachment site (3'-CCA) at the opposite end, allowing proper interaction with both mRNA codon and aminoacyl-tRNA synthetases/ribosome during translation.
In summary, the clover-leaf is the correct description of tRNA secondary structure and the inverted L-shaped form is the correct description of its tertiary structure; therefore both statements are true.
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Which of the following statements regarding the structure of tRNA is correct?Statement I: The tRNA molecule has a clover-leaf structure in its two-dimensional form.Statement II: The tRNA molecule has an inverted L-shaped structure in its three-dimensional form.a)Both Statement I and Statement II are correctb)Statement I is correct but Statement II is incorrectc)Statement I is incorrect but Statement II is correctd)Both Statement I and Statement II are incorrectCorrect answer is option 'A'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements regarding the structure of tRNA is correct?Statement I: The tRNA molecule has a clover-leaf structure in its two-dimensional form.Statement II: The tRNA molecule has an inverted L-shaped structure in its three-dimensional form.a)Both Statement I and Statement II are correctb)Statement I is correct but Statement II is incorrectc)Statement I is incorrect but Statement II is correctd)Both Statement I and Statement II are incorrectCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements regarding the structure of tRNA is correct?Statement I: The tRNA molecule has a clover-leaf structure in its two-dimensional form.Statement II: The tRNA molecule has an inverted L-shaped structure in its three-dimensional form.a)Both Statement I and Statement II are correctb)Statement I is correct but Statement II is incorrectc)Statement I is incorrect but Statement II is correctd)Both Statement I and Statement II are incorrectCorrect answer is option 'A'. Can you explain this answer?.
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