16. Which one of the following is NOT true for local alignment of protein sequences? (a) Gap penalty is not used for insertions and deletions, (b) It is generally used […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Arboviral Infections: What They Are and Which Diseases Are Caused By Them
Which of the following is NOT an arboviral infection? 1. Dengue fever 2. COVID-19 3. Chikungunya fever 4. Zika virus disease What Are Arboviral Infections? Arboviral infections are diseases […]
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What Gene Mutation Causes the Nude Mouse Phenotype? Exploring Foxn1 and Its Role in Immunodeficiency
Which one of the following genes is mutated in nude mice? (1) Foxn1 (2) Foxp3 (3) Foxp1 (4) Prkdc Problem Statement Which gene is mutated in nude mice, leading to […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Identifying the Template Sequence from Sanger Sequencing Fragments
15. The fragments obtained from a Sanger sequencing experiment are as follows: 5´ – GAATTA – 3´ 5´ – GAATTAT – 3´ 5´ – GAATTATC – 3´ 5´ – GAATTATCA […]
Education
Understanding the Role of the AIRE Gene in Autoimmune Disorders and Thymocyte Selection
A patient is suffering from an auto-immune disorder. Exome analysis has revealed a mutation in the gene ‘AIRE’. Which one of the following biological processes is likely to be affected […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Marasmus: A Malnutrition Disease and Its Impact
14. Which one of the following is a malnutrition disease? (a) Ketosis (b) Arthritis (c) Hepatitis (d) Marasmus Article: Introduction to Marasmus: A Severe Malnutrition Disease Malnutrition is a serious […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Fragile X Syndrome: X-Linked, Dominant, and Loss-of-Function Mutation in FMR1 Gene
Fragile X syndrome is caused by a fragile site at the end of the long arm of X chromosome. Such a disorder is 1. X-linked 2. all the given options […]
DBT BET JRF 2019 Previous Year Questions and Video solution
How Many Dipeptides Can Be Formed from L-Alanine and L-Glycine? Exploring Peptide Bond Formation
A young scientist was interested in creating a dipeptide using L-alanine and L-glycine. How many different dipeptides can be generated? (1) One (2) Two (3) Three (4) Four 📘 Problem […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Baeyer-Villiger Monooxygenases and Their Oxidative Reactions
13. Baeyer-Villiger monooxygenases (BVMOs) are flavin-dependent enzymes that catalyse oxidations. Which one of the following oxidation is NOT carried out by BVMOs? (a) Aldehydes to carboxylic acids, (b) Ketones and […]
DBT BET JRF 2019 Previous Year Questions and Video solution
How Long Does It Take for 100 mg of 14C to Completely Disintegrate
14C has a half-life of 5760 years; 100 mg of a sample of 14C will completely disintegrate in: (1) 23,040 years (2) 1440 years (3) 11,520 years (4) infinite time […]
