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T psiC loop of tRNA is called :...

`T psiC` loop of tRNA is called :

A

'Most specify ' part of tRNA

B

Enzyme attachment site

C

Ribosomal attachment site

D

Aminoacyl attachment site

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the T psi C (TΨC) loop of tRNA, we will analyze the options provided and identify the correct terminology associated with this specific loop. ### Step-by-Step Solution: 1. **Understanding the T psi C Loop**: - The T psi C loop is a specific region of tRNA that contains the modified nucleotide pseudouridine (Ψ). This loop is crucial for the proper functioning of tRNA. 2. **Analyzing the Options**: - **Option 1: Most specified part of tRNA**: This option is incorrect. The most specified part of tRNA is generally considered to be the anticodon region, which is responsible for recognizing the corresponding codon on mRNA. - **Option 2: Enzyme attachment site**: This option is also incorrect. The T psi C loop does not serve as an enzyme attachment site. Instead, it plays a role in the structural stability of tRNA. - **Option 3: Ribosomal Attachment site**: This option is correct. The T psi C loop is involved in the recognition of the tRNA by the ribosome, thus acting as a ribosomal attachment site. - **Option 4: Aminoacyl attachment site**: This option is incorrect. The aminoacyl attachment site is located at the 3' end of the tRNA, where the amino acid is attached, not in the T psi C loop. 3. **Conclusion**: - After analyzing all the options, we conclude that the T psi C loop of tRNA is best described as the **Ribosomal Attachment site**. ### Final Answer: The T psi C loop of tRNA is called the **Ribosomal Attachment site**. ---
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