127. Match the common antibody origin with appropriate generic name/brand name of the antibody a Mouse i Binatumomab b Chimeric ii Herceptin c Humanized iii Pantimumab d Human iv Retuxan […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Key Microorganism Used in Commercial Bioleaching for Copper Recovery
A major organism used in commercial bioleaching for copper recovery is 1. Thiobacillusferrooxidans 2. Desulfovibriodesulfuricans 3. Pseudomonas aeruginosa 4. Aspergillusniger Detailed Explanation: The correct answer is: 1. Thiobacillus ferrooxidans […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Cooperativity in Protein Folding: All-or-None Phenomenon Explained
96. Protein folding is highly cooperative. Which one of the following statement define this cooperativity? (a) If one protein unfolds, it forces a nearby protein to unfold too, (b) If […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding the Role of Glycosylation in Monoclonal Antibodies
126. Glycosylation of a monoclonal antibody DOES NOT affect: (1) in vivo stability of antibody (2) mediation of phagocytosis and cytotoxicity of antibody (3) efficacy of monoclonal antibody (4) fluorescence […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Why Mercury Does Not Wet Glass: The Role of Surface Tension
The fluid property, due to which, mercury does not wet the glass is 1. surface tension 2. specific gravity 3. polarity 4. viscosity Detailed Explanation: The correct answer is: 1. […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Barnase and Barstar System in GM Mustard: Mechanism of Male Sterility and Fertility Restoration
125. In genetically modified Dhara Mustard Hybrid – 11, male sterility is conferred by ………, while ………….. restores fertility. (1) barnase, barstar (2) barstar, barnase (3) bar, barnase (4) barnase, […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Beta-Sheet Rich Structure of Prion Proteins
The 𝜷 − 𝒔𝒉𝒆𝒆𝒕 rich structure of prion protein represents the 1. abnormal disease-causing protein 2. soluble form of the protein 3. normal functional protein 4. intermediator state of the […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Peptide Bond Planarity and the Ramachandran Plot in Protein Structure
95. Given below are two statements: Statement I: The peptide bond is a planar bond Statement II: The Ramachandran Plot describes Omega Torsion Angles in proteinsIn light of the above […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Systemic Acquired Resistance: How Plants Build Immunity After Pathogen Attack
124. A plant that survives a local pathogen infection, often develops increased resistance to a subsequent attack by a mechanism called: (1) Systemic Acquired Resistance (2) DAMP-triggered immunity (3) Hypersensitive […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Cellular Sources of Reactive Oxygen Species (ROS): What the Nucleus Doesn’t Do
Which of the following organelle is NOT a site for Reactive Oxygen Species (ROS) generation? 1. nucleus 2. mithochondria 3. peroxisomes 4. endoplasmic reticulum Detailed Explanation: The correct answer […]
