A shuttle vector is a vector that 1. can replicate in the cells of more than one organism 2. helps in transporting proteins from one cell to the adjacent cell […]
Tag: dbt jrf pyq
No posts found.
DBT BET JRF 2020 Previous Year Questions and Video solutions
The First FDA-Approved Genetically Engineered Drug: Insulin
The first drug approved by FDA of USA, that was produced through genetic engineering was 1. Somatotropin 2. insulin 3. penicillin 4. interferon Introduction: A Biotech Breakthrough The first FDA-approved […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Key Differences Between Peroxisomes, Mitochondria, and Chloroplasts
37. Peroxisomes are different from mitochondria and chloroplast mainly because they are: (a) Not the major sites of oxygen utilization, (b) Surrounded by double membrane, (c) Surrounded by single membrane […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Impact of Nonsense Mutations in the LacZ Gene of the Lac Operon
If a nonsense mutation is present in the Lacz gene of the lac operon, the mRNA of βgalactosidase would 1. be expressed in response to binding of the lac repressor […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Why Digitalis is Used for Treating Congestive Heart Failure
36. Digitalis is used for the treatment of congestive heart failure because: (a) It can dissolve clots to release congestion , (b) It can increase the force of contraction of […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Is Autophagy? Understanding the Cell’s Recycling Process
The following cellular process involves formation of double membrane vesicles that engulf and degrade the cellular organelles and macromolecules 1. Necrosis 2. Autophagy 3. Macro pinocytosis 4. Apoptosis What Is […]
DBT BET JRF 2021 Previous Year Questions and Video solution
The Most Effective Reducing Agent for Disulfide Bonds in Proteins
35. Which one of the following is the most effective reducing agent of disulfide bonds in proteins? (a) 2-mercaptoethanol, (b) Dithiothreitol, (c) Ethanethiol, (d) Ethanol Introduction Disulfide bonds are critical […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Missing Amino Acids in Peptide Hydrolysis and Chromatography
34. A 20-mer peptide composed of all 20 coded standard amino acids was hydrolyzed with 6N HCl. However, only 17 amino acids were detected when the hydrolysate was analyzed by […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Is RNA Editing? A Key Step in Post-Transcriptional Gene Regulation
Which one of the following involves RNA Editing? 1. deletion, insertion or chemical modification of nucleotides that are present in the mRNA 2. joining of exons from one pre-mRNA molecule […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Ion Exchange Chromatography: Why Protein Charge Matters
Proteins are commonly purified by ion exchange chromatography (IEC) as a final step. Which of the following statements is NOT true? 1. above the isoelectric point, the proteins bind to […]
