94. Trp florescence can be used to study protein folding and unfolding. Which properties of Trp are critical in ensuring that this can be used for studying the process? (a) […]
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DBT BET JRF 2019 Previous Year Questions and Video solution
Why Disarmed Ti Plasmid of Agrobacterium tumefaciens Does Not Cause Crown Gall Tumors
123. Disarmed Ti plasmid of Agrobacterium tumefaciens does not result in crown gall phenotype since it does not possess: (1) ipt and iaaH genes (2) Vir D gene (3) Vir […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Transesterification: The Key Process in Biodiesel Production
Which of the following processes is used to produce biodiesel? 1. transamidation 2. interesterification 3. transglycosylation 4. transesterification Detailed Explanation: Transesterification is the correct process used to produce biodiesel, making […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Protein Structures: Secondary vs. Tertiary Similarities
93. Which one of the statements relating to properties and structures of two proteins is most appropriate? (a) Two proteins with very similar secondary structures will have similar stability, (b) […]
DBT BET JRF 2019 Previous Year Questions and Video solution
What Sulphur-Containing Secondary Metabolite is Found in Mustard Plants?
122. Which one of the following is a sulphur containing secondary metabolite in mustard plant derived from glucose and an amino acid? (1) Glucosinolates (2) Phytoalexins (3) Ecdysones (4) Cyanogenic […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Which Promoter Is Best for Seed-Specific Expression in Arabidopsis?
120. A researcher wants to ectopically express protein X exclusively in the seeds of Arabidopsis. Which one of the following promoters is most suitable for this purpose? (1) CaMV 35S […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Importance of Phylogenetic Trees in Evolutionary Studies
Phylogenetic tree provides information about 1. evolution relationships between organisms 2. environmental relationships between organisms 3. ecological relationships between organism 4. none of the given options Understanding the Importance […]
DBT BET JRF 2019 Previous Year Questions and Video solution
What is the Wavelength Range of Maximum Absorption for Phytochromes A and B?
119. Phytochromes A and B maximally absorb light at wavelength range: (1) 150-300 nm (2) 300-450 nm (3) 450-550 nm (4) 600-750 nm Detailed Explanation: Question:Phytochromes A and B maximally […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Protein Structure: Tertiary vs. Secondary Structure Relationships
93. Which one of the statements relating to properties and structures of two proteins is most appropriate? (a) Two proteins with very similar secondary structures will have similar stability, (b) […]
DBT BET JRF 2019 Previous Year Questions and Video solution
What Type of Protein is TIR1, the Auxin Receptor in Plants?
118. TIR1, an auxin receptor, is a: (1) F-box protein (2) MAP kinase (3) His kinase (4) Ser/Thr kinase Detailed Explanation: Question:TIR1, an auxin receptor, is a: ✅ Correct Answer: […]
