13. Which one of the following statements is CORRECT about the reactions catalyzed by serine hydrolases? (a) A nucleophilic serine residue attacks the carboxyl carbon of aspartic acid (b) An […]
Blog
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Is DNA Footprinting? A Powerful Method to Study DNA-Binding Proteins
Which of the following is a method of investigating the sequence specificity of DNA- binding proteins in vitro? 1. gene targeting 2. DNA footprinting 3. polymerase chain reaction 4. Southern […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Reaction of Glyceraldehyde with HIO₄: What Does It Produce?
12. Treatment of glyceraldehyde with HIO4 produces one among the following: (a) One molecule of formic acid and one molecule of formaldehyde (b) One molecule of formic acid and two […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Probability of Dark Skin Pigmentation in Genetic Cross: Understanding Allele Inheritance
Allele ‘A’ is dominant over allele ‘a’ and results in dark skin pigmentation. In a mating of Aa with Aa, if 6 offspring are produced, the probability of all having […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Which Enzyme Is Used in Glucometers ? Understanding the Role of Glucose Oxidase
The enzyme used in glucometers to estimate blood glucose levels is 1. glucose isomerase 2. insulin 3. glucose oxidase 4. hexokinase Which Enzyme Is Used in Glucometers? Understanding the […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Alleles: Their Dominance, loci and co-dominance
Which one of the following statements about alleles is NOT TRUE? (1) They may occupy different loci in the same chromosome (2) There may be several at one locus (3) […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Amino Acid Properties Under Physiological Conditions: Leucine, Lysine, Glutamic Acid, and Glutamine
10. Match the components of list I with those in list II under physiological conditions. List I […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Is the Role of DNA Ligase in DNA Replication ? Function and Mechanism Explained
The role of DNA ligase in DNA replication is 1. addition of new nucleotides to the leading strand 2. addition of new nucleotides to the lagging strand 3. formation of […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Most Negative Redox Potentials Indicate Strong Electron Donation
9. In a donor-acceptor pair, the one with the strongest tendency to donate electrons (e) has the: (a) Most negative redox potentials and the strongest affinity for,e (b) Most negative […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Role of Enhancer Elements in Gene Regulation
Which one of the following statements is NOT TRUE for an enhancer element? (1) it can be downstream of the gene it regulates (2) it can only regulate a nearby […]
