5. Inositol at first place in anticodon can base pair with any base in third place of codon. This suggest that (1) There is flexibility over last base of codon […]
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CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
tRNA: Genomic Clustering, Processing, and Function
4. Following observations were made about tRNA. A. tRNA encoding genes cluster at specific regions of the human genome B . 5′ end of the mature tRNA is generated by […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
tRNA Arms | Acceptor Arm | Anticodon Arm | TѰC Arm | D-Arm
3. The different arms in the tRNA structure are shown in Column A. The specific signatures associated with the different arms are shown in Column B. COLUMN A […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Anticodon Sequence Role in Protein Synthesis
2. Anticodon sequence lies in (1) DNA (2) t-RNA (3) r-RNA (4) m-RNA Introduction The process of translating genetic information into proteins is one of the most fundamental activities in […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
During Translation, the tRNA First Gets Attached to Amino Acids
During Translation, the tRNA First Gets Attached to: A Comprehensive Guide 1. During translation the tRNA first get attached to (1) Amino acids (2) m-RNA (3) Small subunit of ribosome […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Nuclear RNA contains introns and can hybridize with intron DNA fragments
32. Total RNA was isolated separately from cytosol and nuclei of human cells growing in a cell culture. Each sample was mixed with a purified denatured fragment of a DNA […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
A DNA segment was cloned into the active site region of lacZ gene and the recombinant plasmid introduced into lac T strain of E. coli and plated on a medium containing X-gal.
31. A DNA segment was cloned into the active site region of lacZ gene and the recombinant plasmid introduced into lac T strain of E. coli and plated on a […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Catalytic Introns | Group I Group II introns | Transesterification
30. Following statements were made about catalytic introns: A. Group I introns may undergo self-splicing by transesterification. B, Group II introns do not require any factor/protein for auto-splicing either in […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
‘G-OH’ from outside makes a nucleophilic attack on 5′-P of first base of intron
29. In type II splicing (1) a ‘G-OH’ from outside makes a nucleophilic attack on 5′-P of first base of intron (2) a free 2’-OH of an internal adenosine makes […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Role of Introns in cell survival Protein Diversity Encode miRNAs
28. Although introns are not a part of the processed transcript that gets translated, they are important for several reasons. The following statements are made with reference to the possible […]
