7. HeLa cell extract was used to study transcription of a gene ‘X’ having six introns. RNA POI II complex containing all associated proteins was isolated from actively transcribing system […]
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CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Function of the Carboxyl-Terminal Domain (CTD) of RNA Polymerase II
Function of the Carboxyl-Terminal Domain (CTD) of RNA Polymerase II: Identifying the Non-Associated Role 6. The Carboxyl-Terminal domain (CTD) of RNA polymerase II consists of heptapeptide repeats (YSPTSPS). Other proteins […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Understanding mRNA 5′ Capping | Role of Phosphates and CTD Phosphorylation in Cap Formation
5. Eukaryotic mRNAs have an enzymatic appended cap structure consisting of a 7-methylguanosine residue joined to the initial 5′ nucleotide of the transcripts. Given below are a few statements regarding […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Eukaryotic mRNA are modified to possess a 5′ cap structure
4. Eukaryotic mRNA are modified to possess a 5′ cap structure. Which one of the following is an INCORRECT statement about the function of the 5′ cap structure? (1) It […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Necessary Factor for mRNA Transport from Nucleus in Eukaryotes
3. Which of the following is necessary for transport of m-RNA from nucleus (1) Alternative Splicing (2) 5′-Capping (3) RNA editing (4) Secondary structure Necessary Factor for mRNA Transport from […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Role of the 5′ Cap in RNA | Stability and Transport
The 5′ Cap of RNA is required for the (1) stability of RNA only. (2) stability and transport of RNA. (3) transport of RNA only. (4) methylation of RNA. Role […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Role of 5′-Capping in Eukaryotic mRNA | Initiation of translation
In eukaryotic 5′-capping in m-RNA is required for- (1) Initiation of transcription (2) Initiation of translation (3) Intron removal (4) Termination of transcription Role of 5′-Capping in Eukaryotic mRNA Correct […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Relationship Among RNA Polymerase II Subunits IIo, IIa, and IIb
Which one of the following schematics depicts the potential relationship among the subunits IIo, IIa, and IIb of RNA polymerase II Relationship Among RNA Polymerase II Subunits IIo, IIa, and […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Regulatory Elements for Expression of Ribosomal RNA Genes in Eukaryotes
27. Regulatory elements for expression of ribosomal RNA genes resides in the (1) transcribed spacer region (2) non-transcribe spacer region (3) 5’ flanking region of individual ribosomal genes (4) internal […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Mechanism of Transcription Termination in Eukaryotes
26. Which is correct for termination of transcription in eukaryotes? (1) Terminates prior to polyadenylation site (2) Terminates during polyadenylation site (3) Terminates after polyadenylation site (4) Forms hair pin […]
