Nucleosides isolated from a Caribbean sponge, Cryptotethyacrypta, were the basis for the synthesis of the antiviral 1. Avarol 2. Amantadine 3. Abacavir 4. Acyclovir Detailed Explanation: Correct Answer: 4. Acyclovir […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Exploring the World of Fermented Foods: What’s Not Included?
147. Which one of the following is NOT a fermented food? Options:- (a)Milk cream (b)Cheese (c)Salami (d)Sauerkraut What Makes a Food “Fermented”? Fermentation is a natural metabolic process in which […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Shift in pH Optima During Enzyme Immobilization on Anionic Carriers
Immobilization of enzymes to water insoluble, anionic porous carriers often results in an apparent shift in the pH optima of the enzyme. The physico-chemical interaction likely to cause such a […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Connection Between Vitamins and Their Biological Components
146. Match the components List I with List II List I […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Systemic Lupus Erythematosus: Autoimmune Disease and Its Mechanisms
Which autoimmune disease is caused by production of autoantibodies and autoreactive T cellsagainst DNA and chromatin proteins? 1. Systemic lupus erythematosus 2. Graves’ Disease 3. Sjögren syndrome 4. Multiple Sclerosis […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Exploring the Use of Byssus from Sea Mussels in Strong Adhesives
145. Strong adhesives can be prepared using the constituents of one of the following: (a)Base of sea anemone (b)Byssus generated by sea mussel (c)Platform generated by sea urchin (d)Tentacles of […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Brine Shrimp Assay: A Toxicity Testing Method
144. Brine shrimp assay involves one of the following: (a)Testing effect of changing salinity on nutritional content of shrimp (b)Testing effect of decreasing salinity on growth of shrimp (c)Testing effect […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Challenges in Human Protein Expression in Bacteria: Understanding the Causes
A CDNA encoding a human protein of interest was cloned in a bacterial expression vector and introduced into bacterial cells for expression. However, no expression of the human protein of […]
DBT BET JRF 2021 Previous Year Questions and Video solution
The Impact of Xenobiotic Pollutants on Marine Organisms and Pollution Monitoring
143. Given below are two statements: Statement I: Xenobiotic pollutants are biomagnified and accumulate in marine organisms. Statement II: Pollutants can be quantified in tissue samples from key marine animals […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Effect of Exonuclease on Plasmid DNA Digestion
A student added a 5′ exonuclease enzyme instead of a restriction enzyme to digest his purifiedplasmid DNA sample. What is he likely to observe when he runs his plasmid digest […]
