78. Which one of the following is NOT extracted from seaweeds: A. Agar B. Alginate C. Calcium D. Aginomoto Introduction: Seaweeds, or marine algae, are rich in various bioactive compounds, […]
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DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Washout in External Recycle Reactors (CSTR with External Recycle)
76. In an external recycle reactor (CSTR with external recycle), the outlet stream is concentrated 20 fold with respect to biomass and half of this concentrated cells is fed back […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Interpreting Multiple Sequence Alignments: Understanding Regions of Insertions and Deletions
192. In a multiple sequence alignment of homologous protein sequences, a region of multiple insertions and deletions indicates the presence of: (1) a secondary structure element (2) a buried region […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding RNA Secondary Structural Elements and Their Interactions
75. Which one of the following DOES NOT represent known interactions of RNA secondary structural elements? A. Pseudo knot B. Kissing hairpins C. Hairpin-bulge contact D. Helix-turn-helix Introduction: RNA molecules […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Different Types of BLAST Programs for Sequence Search Tasks
191. Match the type of BLAST programs given in Group I to the particular type of sequence search task described in Group II Group I Group II 1 tblastn P […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding the Hypersensitive Response in Plants During Microbial Attack
74. Which one of the following is NOT a typical feature of the hypersensitive response observed in plants during the attack of invading microbes? A. Onset of programmed cell death […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding the Occurrence of Proline Residues in Protein Structures
73. Where is the greatest likelihood of the occurrence of a proline residue in a protein structure? A. In the active site pocket B. In the beta sheets C. In […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Analogs, Paralogs, Orthologs, and Xenologs in Evolution
190. Genes or proteins that display the same activity, but have different origins and are the product of convergent evolution, are called: (1) Analogs (2) Paralogs (3) Orthologs (4) Xenologs […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding E-Value in BLASTp Results
72. Your friend runs a BLASTp on his unknown sequence and finds a match with E-value of 3 with a target. What does this mean? A. There are 𝑒3 sequences […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Title: Understanding Sensitivity and Specificity in Homologous Database Searches
188. Match the items in Group I with Group II with reference to a database search for identifying homologs of human hemoglobin. Group I Group II (P) Sensitivity (1) Measure […]
