20. Which one of the following defines the angle in the protein backbone? (a) π β πΆπ β πΆ β π , (b) πΆπ β πΆ β π β πΆ […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Glycosidic Bond in Cellulose
19. Cellulose is a polymer of glucose which is made by ________ glycosidic bond. (a) (1 β 2) linkage, (b) (1 β 4) linkage, (c) (1 β 6) linkage, (d) […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the pH of a Sodium Hydrogen Phosphate Solution
18. What is the pH of a mixture of 0.042 M NaH (a) 4.86, (b) 5.86, (c) 6.86, (d) 7.86, Introduction In chemistry, understanding the pH of various solutions is […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Gene Expression: Enzymes and Their Roles
17. Following is a table in which the List I contains names of various steps of gene expression and in those List II are the enzymes associated with those. Match […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Local Alignment of Protein Sequences: Key Concepts
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 […]
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: 5Β΄ β GAATTA β 3Β΄ 5Β΄ β GAATTAT β 3Β΄ 5Β΄ β GAATTATC β 3Β΄ 5Β΄ β GAATTATCA […]
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 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 2021 Previous Year Questions and Video solution
Understanding the Role of Thiamine Pyrophosphate in Pyruvate Decarboxylation
12. Pyruvate decarboxylase catalyses the decarboxylation of pyruvic acid to acetaldehyde and carbon dioxide. Its action depends on cofactors thiamine pyrophosphate (TPP) and magnesium. In this process, the role of […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Nucleic Acid Modifications: DNA, tRNA, and mRNA
10. In the following table, List I has different nucleic acids and List II has certain base modifications. Match the components from the List I with those in the List […]
