When dissolved oxygen is lower than the critical concentration in mammalian cell culture systems, cell viability declines because of: (1) Complete glutamine oxidation (2) Decrease in specific lactate production from […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Gene Expression: Enzymes and Their Roles
17. Following is a table in which the List I contains names of various steps of gene expression and in those List II are the enzymes associated with those. Match […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the ELISPOT Assay: A Sensitive Method to Measure Cytokine Secretion
The enzyme-linked immunospot (ELISPOT) assay is highly sensitive because it can measure 1. total concentration of secreted cytokine 2. RNA copy number of the secreted cytokine 3. size of the […]
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Bromodomain Proteins and Their Recognition of Acetylated Proteins: A Key Mechanism in Post-Translational Modification
Which kind of post-translationally modified protein targets are recognized by Bromodomain containing proteins? (1) Acetylated protein (2) Glycosylated protein (3) Ubiqutinylated protein (4) Sumoylated protein 📘 Problem Statement Which kind […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Local Alignment of Protein Sequences: Key Concepts
16. Which one of the following is NOT true for local alignment of protein sequences? (a) Gap penalty is not used for insertions and deletions, (b) It is generally used […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Arboviral Infections: What They Are and Which Diseases Are Caused By Them
Which of the following is NOT an arboviral infection? 1. Dengue fever 2. COVID-19 3. Chikungunya fever 4. Zika virus disease What Are Arboviral Infections? Arboviral infections are diseases […]
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What Gene Mutation Causes the Nude Mouse Phenotype? Exploring Foxn1 and Its Role in Immunodeficiency
Which one of the following genes is mutated in nude mice? (1) Foxn1 (2) Foxp3 (3) Foxp1 (4) Prkdc Problem Statement Which gene is mutated in nude mice, leading to […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Identifying the Template Sequence from Sanger Sequencing Fragments
15. The fragments obtained from a Sanger sequencing experiment are as follows: 5´ – GAATTA – 3´ 5´ – GAATTAT – 3´ 5´ – GAATTATC – 3´ 5´ – GAATTATCA […]
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Understanding the Role of the AIRE Gene in Autoimmune Disorders and Thymocyte Selection
A patient is suffering from an auto-immune disorder. Exome analysis has revealed a mutation in the gene ‘AIRE’. Which one of the following biological processes is likely to be affected […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Marasmus: A Malnutrition Disease and Its Impact
14. Which one of the following is a malnutrition disease? (a) Ketosis (b) Arthritis (c) Hepatitis (d) Marasmus Article: Introduction to Marasmus: A Severe Malnutrition Disease Malnutrition is a serious […]
