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 […]
Tag: Eukaryotic Transcription PYQ
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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 […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Identifying the Exact Transcription Termination Site
25. Scientists usually find difficulty in identifying the exact transcription termination site in eukaryotes because (1) immediately following termination of transcription, the 3′ end is polyadenylated (2) The 3′ end […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Housekeeping Gene Promoters with CpG Islands Remain Expressed Despite CpG Methylation in Mammals
24. In mammals CG rich sequences are usually methylated at C, which is a way for making genes for silencing. Although the promoters of housekeeping genes are often associated with […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Eukaryotic Transcription by RNA Polymerase III
23. Following statements were made with respect to transcription in eukaryotes: A. RNA polymerase III synthesizes mRNAs in the nucleoplasm B. The target promoter for RNA polymerase Ill is usually […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Viral Protein X Inducing Cellular Gene Promoter Activity Without Direct DNA Binding
22. A non-enzymatic viral protein X was found to be inducing a cellular gene promoter activity. Although no in vitro DNA binding activity could be identified with X protein, it […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Transcription Initiation Steps in Bacteria and Eukaryotes
Transcription Initiation Steps in Bacteria and Eukaryotes The initiation of transcription is a complex process involving promoter recognition, conversion of the initiation complex from closed to open form, abortive initiation […]
CSIR NET Life Science PYQs and Solutions Eukaryotic Transcription
TFIIH Mutation Impact on Transcription and DNA Repair
20. In order to study the transcription factor TFIIH. It was cloned from a large number of human subjects. Surprisingly, the subject having mutation in TFIIH, also showed defects in […]
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TATA Binding Protein (TBP) Component of transcription factor TFIID
19. Which one of the following statements about TATA Binding Protein (TBP) is NOT true? (1) It is a component of transcription factor TFIID. (2) TBP recognizes the TATA element […]
