111. What types of bonds generally stabilize the antigen-antibody interaction? (a) Covalent bonds and hydrogen bonds, (b) Disulphide bonds, (c) Glycosidic bonds, (d) Weak hydrogen bonds and Van der Waal […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Corn Steep Liquor in Fermentation: A Key Nitrogen Source for Microbial Growth
In large scale fermentation processes, corn steep liquor is mainly used as a 1. nitrogen source 2. carbon source 3. vitamin and micronutrient source 4. carbon and vitamin source […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Role of Aminopterin in Hybridoma Production: Ensuring Selective Cell Survival
What is the use of Aminopterin in hybridoma production? 1. to kill unfused myeloma cells 2. to kill non-antibody secreting hybrids 3. to kill unfused splenic cells 4. to kill […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Protein X: Insights from Native and SDS-PAGE Analysis
110. You have purified a protein X and observed the following A. When run on a native PAGE, it gives rise to a single band. B. When run on a […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Profile Alignment and Hidden Markov Models: Key Differences
109. A profile can be generated from a multiple sequence alignment by obtaining positionspecific preference (or probability) of each amino acid. This can be used to identifyhomologs. However, the key […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Oil Mobilization During Seed Germination: Role of Glyoxysomes
In which organelle of seeds are stored oils converted to fatty acids and glycerol during germination? 1. endoplasmic reticulum 2. amyloplast 3. mitochondria 4. glyoxysome Detailed Explanation: The correct answer […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Assessing Structural Similarity of Biomolecules: Key Metrics and Methods
108. Which one of the following will be used to assess structural similarity of biomolecules? (a) E-value , (b) P-Value, (c) Root mean square deviation, (d) Standard deviation Assessing Structural […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Dihedral Angles in Protein Structure: How Many Atomic Positions Are Needed?
107. How many atomic positions are required to measure a dihedral angle? (a) Five (b) Four (c) Three (d) Two Understanding Dihedral Angles in Protein Structure: How Many Atomic Positions […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Enzymatic Production of Aspartame: The Role of Thermolysin
The artificial sweetener, aspartame, is enzymatically produced using 1. 𝛽-galactosidase 2. rennin 3. lipase 4. Thermolysin Detailed Explanation: The correct answer is: 4. Thermolysin What is Aspartame? Aspartame is a […]
![The motif D-[TS]-x-(2)-{GH}-L motif will have sequence: (a) DRRRRL (b) DSARRL (c) DSRRGL (d) DTRRHL](https://www.letstalkacademy.com/wp-content/uploads/2025/04/106-4.jpg)
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the D-[TS]-x-(2)-{GH}-L Motif in Protein Sequences
106. The motif D-[TS]-x-(2)-{GH}-L motif will have sequence: (a) DRRRRL (b) DSARRL (c) DSRRGL (d) DTRRHL Understanding the D-[TS]-x-(2)-{GH}-L Motif in Protein Sequences Protein sequences are made up of various […]
