The production of ethanol rather than biomass by yeast cells at high concentration of glucose is known as: (1) Warburg effect (2) Simpsonβs effect (3) Crabtree effect (4) Olivoskyβs effect […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Protein Backbone Angle: A Key to Protein Structure
20. Which one of the following defines the angle in the protein backbone? (a) π β πΆπ β πΆ β π , (b) πΆπ β πΆ β π β πΆ […]
DBT BET JRF 2019 Previous Year Questions and Video solution
What Is Hurdle Technology? A Smart Strategy for Long-Lasting Food Safety
Combination of high temperature during processing, low temperature during storage, and increasing the acidity for prevention of food contamination is known as: (1) Stumbling technology (2) Mixed preservation approach (3) […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Are Opines? Understanding Arginine Derivatives in Agrobacterium-Mediated Plant Infections
During Agrobacterium infections, plant cell begins to synthesize Arginine derivatives called 1. Acetobenzylpurine 2. Opines 3. Acetosyringone 4. Hygromycin Β Introduction to Agrobacterium and Plant Infections Agrobacterium tumefaciens is a […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Glycosidic Bond in Cellulose
19. Cellulose is a polymer of glucose which is made by ________ glycosidic bond. (a) (1 β 2) linkage, (b) (1 β 4) linkage, (c) (1 β 6) linkage, (d) […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the pH of a Sodium Hydrogen Phosphate Solution
18. What is the pH of a mixture of 0.042 M NaH (a) 4.86, (b) 5.86, (c) 6.86, (d) 7.86, Introduction In chemistry, understanding the pH of various solutions is […]
DBT BET JRF 2019 Previous Year Questions and Video solution
How Low Dissolved Oxygen Affects Mammalian Cell Culture Viability: Key Insights and Mechanisms
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 […]
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 π Problem Statement Which kind […]
