During Agrobacterium infections, plant cell begins to synthesize Arginine derivatives called 1. Acetobenzylpurine 2. Opines 3. Acetosyringone 4. Hygromycin Introduction to Agrobacterium and Plant Infections Agrobacterium tumefaciens is a […]
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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 → 2) linkage, (b) (1 → 4) linkage, (c) (1 → 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 2020 Previous Year Questions and Video solutions
Understanding the ELISPOT Assay: A Sensitive Method to Measure Cytokine Secretion
The enzyme-linked immunospot (ELISPOT) assay is highly sensitive because it can measure 1. total concentration of secreted cytokine 2. RNA copy number of the secreted cytokine 3. size of the […]
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 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 […]
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 […]
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 […]
