158. Allergenicity of a protein refers to its capacity to activate: (1) Mast cells (2) B cells (3) Dendritic cells (4) M cells What Does Allergenicity of a Protein Mean? […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Epicatechin Gallate (ECG): A Powerful Flavonoid in Green Tea
Epicatechin gallate (ECG) is a type of flavonoid found in which of the following? 1. orange 2. green tea 3. berries 4. Carrot Detailed Explanation: Correct Answer: 2. Green […]
DBT BET JRF 2021 Previous Year Questions and Video solution
The First U.S. Patent for a Genetically Modified Organism: Dr. A. M. Chakrabarty’s Breakthrough
137. The first U.S patent for a GM organism was awarded to Dr. A. M. Chakrabarty for his work on one of the following: (a) E. coli engineered to produce […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Antigen-Activated B Cells and Their Differentiation into Plasma Cells
157. Antigen activated B cells differentiate into antibody producing plasma cells in: (1) Lymphoid follicles (2) Hassall’s corpuscles (3) Lamina propria (4) Phagosome Antigen-Activated B Cells and Their Differentiation into […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Baroreceptors: Key Sensors for Blood Pressure Regulation
Baroreceptors are responsible for sensing human 1. temperature 2. blood pressure 3. oxygen saturation 4. heart rate Detailed Explanation: Correct Answer: 2. Blood pressure Introduction to Baroreceptors: Baroreceptors are specialized […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Identifying Water Pollution with Enteropathogens: A Key to Safe Water Management
136. Common indicators of water pollution with enteropathogens are following EXCEPT- (a) Bacillus spp., (b) Clostridium spp., (c) E. coli, (d) Streptococcus spp Understanding Water Pollution and Enteropathogens Water pollution […]
DBT BET JRF 2019 Previous Year Questions and Video solution
: Zinc Deficiency in Children: The Impact on the Thymus Gland
156. Zinc deficiency among children primarily results in the atrophy of: (1) Thymus (2) Spleen (3) Lymph nodes (4) Peyer’s patches itle: Zinc Deficiency in Children: The Impact on the […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Role of Macrophage Activating Factor (MAF) in Animal Cell Culture Media
135. What is the role of macrophage activating factor (MAF) in an animal cell culture media? (a)Antiviral , (b) Epithelial cell mitogen , (c) Inhibits differentiation of embryonic stem cells, […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Proteasome: A Key Supramolecular Complex for Protein Degradation
A supramolecular complex that serves to degrade damaged or unneeded proteins in the cell is called as 1. lysosome 2. flagella 3. proteasome 4. ribosome Detailed Explanation: Correct Answer: 3. […]
DBT BET JRF 2019 Previous Year Questions and Video solution
: Bleomycin: The Antibiotic Secreted by Acremonium sp.
155. Antibiotic bleomycin is secreted by: (1) Bacillus sp. (2) Aspergillus sp. (3) Streptomyces sp. (4) Acremonium sp. Bleomycin: The Antibiotic Secreted by Acremonium sp. Bleomycin is a potent antibiotic […]
