18. Genetic studies demonstrated that TBP mutant cell extracts are deficient in transcription of genes from all three promoters viz. class I, II and III. Following statements describe characteristic features […]
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Promoters for RNA Polymerase III: Location and Function
17. Promoters for RNA polymerase III are located at (1) +1 to +10 (2) -35 to -10 (3) With in transcribed sequence (4) More than 100 by upstream The correct […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Eukaryotic RNA Polymerase Transcribes tRNA Genes
16. Which eukaryotic RNA polymerase transcribes t-RNA genes? (1) RNA polymerase I (2) RNA polymerase II (3) RNA polymerase III (4) DNA polymerase I Which Eukaryotic RNA Polymerase Transcribes tRNA […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Role of Sn RNA | si RNA | mi RNA | Sno RNA |
15. Enlisted below are different types of RNAs produced in the cell (Column A) and their functions (Column B), but not in the same order. Column A Column B A. […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Transcription in Bacteria and Eukaryotes | RNA polymerase II | Bipartite structure
The following statements are related to transcription in bacteria and eukaryotes. A. During concurrent promoter sequence recognition and melting, melting commences with base flipping where two bases are flipped out […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Different RNA Polymerases and Their Functions
10. Given below are four sentences with blanks (labeled X, Y, Z and L). A. RNA Pol I transcribes X. B. miRNA genes are transcribed by Y. C. The RNA […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
RNA polymerase II synthesizes various types of mRNAs and small non-coding RNAs
8. Witch one of the following statement. is generally true shout RNA polymerase II? (1) It is dedicated to transcribing RNA from a single transcription unit, generally a large transcript. […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Promoter Clearance TFIIH Phosphorylation Inhibition
TFIIH Phosphorylation Inhibition: Which Transcription Step Is Most Affected? A highly specific inhibitor that targets the phosphorylation activity of TFIIH is added to an in vitro transcription reaction. Which one […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Understanding the Eukaryotic Gene Promoter Location
4. Among the following which statement is correct regarding the promoter of the eukaryotic gene? (1) It is always located upstream of transcription start site (2) It is located downstream […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Compound Inhibits Transcription Elongation in Both Prokaryotes and Eukaryotes
3. Which of the following compound is capable to inhibit transcription elongation, both in prokaryotes and eukaryotes? (1) Rifamycin (2) a-amanitin (3) Streptomycin (4) Actinomycin-D Correct Answer (4) Actinomycin […]
