Among the following which process do not occur in nucleus (1) Replication(2) Transcription (3) Translation (4) Repair The cell nucleus is the command center of eukaryotic cells, orchestrating a variety […]
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CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Operator Binding Efficiency of Repressor Protein and Operon Gene Expression
If mutation in regulatory gene increases 1000 fold operator binding efficiency of repressor protein, under such condition, which is true for operon? (1) No expression of operon genes (2) Basal […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Why tRNAs Contain Thymine: Mechanisms and Modifications Explained
The following statements are made with reference to the fact that tRNAs are known to possess T in their sequence. A. RNA polymerase Ill utilizes TTP as one of the […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Inosine in the Anticodon: Flexibility in Codon-Anticodon Pairing Explained
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 […]
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 […]
