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 […]
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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 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 2021 Previous Year Questions and Video solution
Exploring Techniques in Cell Culture: Understanding Their Applications
134. Match the components of List I with List II. List I (Techniques) […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Synthetic Seeds: Derivation from Somatic Embryos
Synthetic seeds are mostly derived from 1. zygotic embryos 2. fruit of coconut 3. avocado seeds 4. somatic embryos Detailed Explanation: Correct Answer: 4. Somatic embryos Introduction to Synthetic […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Cell Differentiation Inducers and Their Effects on Cell Types
133. Match the components of List I with List II. List I (Inducers of cell differentiation) […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Structure of Chlorophyll: Magnesium Porphyrin Ring and Phytol Chain
Which one of the following statements is true regarding the magnesium porphyrin ring and the phytol chain of a chlorophyll molecule? 1. magnesium porphyrin ring is hydrophilic whereas phytol chain […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Role of Antibiotics in Animal Cell Cultures and Contamination Control
132. Given below are two statements: one is labelled as Assertion A and another one islabelled as Reason R Assertion A: It is essential that the animal cell cultures be […]
