38. Which one of the following organelles disappears during cell division and is regenerated in the daughter cells? 1. Endoplasmic reticulum 2. Golgi 3. Mitochondria 4. Peroxisomes Which Organelle Disappears […]
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DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Protein Glycosylation and Its Amino Acid Targets
37. Protein glycosylation can take place only on the following amino acid(s): 1. Asparagine 2. Serine and Threonine 3. Asparagine, serine and threonine 4. Asparagine, serine, threonine and arginine Protein […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding the Role of Na+ – K+ ATPase in Cellular Function
36. Which of the following statements about Na+ -K + ATPase is correct? 1. It is responsible for generating the resting membrane potential 2. It transports Na+ and K+ ions […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Fluorescence Signal Tracking in the Endoplasmic Reticulum and Beyond
35. If a fluorescent dye is injected into the lumen of the endoplasmic reticulum (ER), in which of the following compartments can fluorescence signal be observed? 1. ER only 2. […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Identifying Tools for Multiple Sequence Alignment: What Doesn’t Fit?
115. Which one of the following CANNOT be used for progressive global multiple sequence alignment? A. ClustalW B. LALIGN C. PILEUP D. T-COFFEE Detailed Explanation: Multiple sequence alignment (MSA) is […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding the Equilibrium Dissociation Constant in Hormone-Receptor Binding
34. A hypothetical polypeptide hormone binds to its receptor with an association rate constant (ka) of 3.0×104 M-1 sec-1 and a dissociation rate constant (kd) of 6.9×10-6 sec-1 . What […]
DBT BET JRF 2022 Previous Year Questions and Video solution
How to Calculate Final Concentration After Dilution: A Simple Example
114. What will be the final concentration of the solute when 10 ml of its 10 M solution is mixed with 990 ml solvent? A. 1 M B. 0.1 M […]
DBT BET JRF 2018 Previous Year Questions and Video solution
How Long Would a Double Helix Be from 1.6 Billion Nucleotide Pairs?
33. In an organism, the amount of DNA per haploid genome is about 1.6 x 109 nucleotide pairs. Given that the length of DNA helix occupied by one nucleotide pair […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Features and Characteristics of Chemical Synapses
113. Which one of the following is NOT applicable for a chemical synapse? A. Usually synaptic cleft is approx. 20 – 40 nm. B. May release excitatory or inhibitory neurotransmitter. […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Cis-acting and Trans-acting Elements in Genetics
32. ‘P’ is a cis-acting element, while ‘Q’ is a trans-acting element. Possible examples of ‘P’ and ‘Q’ are: 1. Enhancer and transcription factor 2. Transcription factor and operator 3. […]
