56. The measure of similarity between two structurally aligned macromolecules is: A. Median Distance between the Centroids (MDC) B. Root Mean Square Deviation (RMSD) C. Squared Mean Distance between atoms […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Gene Relationships: Vertical Descent and Types of Gene Homology
Genes related through vertical descent from a common ancestral gene are called 1. heterologous 2. xenologous 3. paralogous 4. orthologous Detailed Explanation:Correct Answer:4. Orthologous What Are Orthologous Genes? Orthologous genes […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Remote Sensing in Microwave Channels: The Role of Emission
175. Remote sensing of ocean-atmospheric parameters carried out in the microwave channels is based on the phenomenon of: (1) emission. (2) reflection. (3) scattering. (4) diffraction Remote Sensing in Microwave […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Centimorgan and Genetic Distance in Genetics
55. One centimorgan is defined as the genetic distance between two loci with a statistically corrected recombination frequency of: A. 0.1% B. 0.5% C. 1.0% D. 5.0% Introduction: In genetics, […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Invasive Marine Species: The Hidden Threat in Ship Ballast Water
174. Ballast water may be carried onboard by ships to maintain stability and improve maneuverability during transit. Introduction of which one of the following is regarded as the major threat […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Enzyme Functions in Molecular Biology
Identify the incorrect pair 1. DNase I : Cleaves only double stranded DNA 2. Alkaline Phosphatase : Removes 5′ phosphate from the DNA 3. RNA polymerase: Transcription 4. DNA Polymerase […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Identifying Thermophilic Bacteria Based on DNA Composition
54. DNA isolated from four unidentified species of bacteria – A, B, C and D has been estimated to have 38%, 26%, 24% and 12% thymine, respectively. One of these […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding the Role of Delta and Notch in Metazoan Development
53. Choose the correct statement in respect to metazoan development: A. Delta is a cell surface protein while Notch is an intracellular protein. B. Notch is a cell surface protein […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Humanised Antibodies and Their Structure
A humanised antibody is one in which the 1.antibody heavy chain is from human and light chain is from mouse 2. antibody heavy and light chains are from human 3.complementarity-determining […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Probability in Dilution Plating: Determining the Likelihood of Colony Types
51. A culture contains two bacterial populations ‘X’ and ‘Y’ in equal proportion. On dilution plating only two colonies were obtained due to excessive dilution. The probability that one will […]
