38. Which one of the following acts as a linker histone? A. H1 B. H2A C. H2B D. H3 Detailed Explanation: In the intricate world of chromatin structure, histones are […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Industrial Vitamin Production: Key Microorganisms and Their Roles
Which of the following is NOT used for producing vitamins industrially? 1. Ashbyagossypii 2. Corynebacterium sp. 3. Propionibacterium freudenreichii 4. Pseudomonas aeruginosa Detailed Explanation:Correct Answer:4. Pseudomonas aeruginosa Microorganisms in […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Specific Energy Source for ATP Synthesis in Thylakoid Membranes
The specific energy source for the reaction ADP + phosphate → ATP by the enzyme ATP synthetase (CF1 Coupling Factor) in thylakoid membranes is 1. higher concentration of H+ inside […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Cellulose: Structure and Glycosidic Linkages
Cellulose is a linear polymer of glucose with 1. beta-1,4-glycosidic linkage 2. alpha1,4-glycosidic linkage 3. beta-1,3-glycosidic linkage 4. alpha-1,3-glycosidic linkage Detailed Explanation:Correct Answer: beta-1,4-glycosidic linkage What is Cellulose?Cellulose is a […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Haplotypes: Genetic Markers and Their Inheritance
A set of closely linked genetic markers present on a single chromosome, which are not easilyseparable by recombination and tend to be inherited together are termed as 1. haplotypes 2 […]
DBT BET JRF 2019 Previous Year Questions and Video solution
The Ideal Viral Vector for Expressing Therapeutic Genes in Non-Dividing Cells: A Comprehensive Guide
169. Viral vector that is ideal for expressing therapeutic gene in non-dividing cells is: (1) Lentiviral vector (2) Retroviral vector (3) Adeno-associated viral vector (4) Adenoviral vector Title: The Ideal […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Temperature-Sensitive E. Coli Mutants and Their Role in DNA Replication
A class of temperature sensitive E. coli mutants defective in DNA replication were identified that ceased replication immediately upon increase in temperature. Which of the following processes are likely to […]
DBT BET JRF 2019 Previous Year Questions and Video solution
The Role of Acetylcholine as a Neurotransmitter at the Neuromuscular Junction
Neurotransmitter at the neuromuscular junction is: (1) Epinephrine (2) Serotonin (2) Acetylcholine (4) Dopamine The Role of Acetylcholine as a Neurotransmitter at the Neuromuscular Junction Introduction The nervous system is […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Single Nucleotide Polymorphism (SNP) and Its Significance in Genetics
Accuracy of Protein Structure Prediction can be assessed using tools like 1.WHATIF 2. COOT 3. BLAST 4. PHENIX Detailed Explanation:Correct Answer:2. variation at a single nucleotide position observed in at […]
DBT BET JRF 2019 Previous Year Questions and Video solution
: Role of Anti-Mullerian Hormone in Male Fetal Reproductive Tract Development
167. Which one of the following contributes to the development of the reproductive tract in a male foetus? (1) Anti-diuretic hormone (2) Inhibin (3) Anti-Mullerian hormone (4) Activin The Role […]
