184. What may be the simplest and most inexpensive way to know that the product is formed in the reaction given below? A. Mass spectrometry B. Reverse Phase HPLC C. […]
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DBT BET JRF 2018 Previous Year Questions and Video solution
Hardy-Weinberg Equilibrium and Carrier Frequency in Genetic Diseases
149. In a given population, 1 out of 400 individuals has cancer caused by a recessive allele ‘p’. Assuming the population is in Hardy-Weinberg equilibrium, what is the expected proportion […]
DBT BET JRF 2022 Previous Year Questions and Video solution
How to Count Lines in a File Using Unix Command Line
183. Which one of the following lines of unix commands can tell you the number of lines in a file? A. pc – f B. Is – a C. df […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Southern Hybridization Results: Prostate Cancer Candidate Gene Analysis
148. A 30 Kb candidate gene linked to prostate cancer from a patient was digested with XhoI. Following Southern hybridization of the digested products with the full-length gene probe, three […]
DBT BET JRF 2022 Previous Year Questions and Video solution
In Vitro Fertilization and Embryo Transfer in Animal Biotechnology
182. The technique used in animal biotechnology for rapid multiplication and production of animals with a desired genotype is: A. Protoplast fusion and embryo transfer B. Hybrid selection and embryo […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Title: Probability of Sickle Cell Anemia in Fraternal Twins: Autosomal Recessive Inheritance
146. Parents who appear normal have a child with sickle cell anemia, which is an autosomal recessive trait. The woman becomes pregnant again and is told that she is carrying […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Why Mammalian Expression Systems Are Preferred for Monoclonal Antibody Production
181. For monoclonal antibody production, mammalian expression systems are preferred over bacterial expression systems, primarily because: A. mammalian cultures have better productivity B. mammalian cultures produce extra-cellular product simplifying the […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding E-values in BLAST Searches Across Different Databases
145. Of the two databases A and B, the database A is larger in size than database B. In a BLAST search, a sequence has a highly significant match with […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Tools for Establishing Evolutionary Links Between Proteins with Low Sequence Similarity
144. Which one of the following tools can reliably establish an evolutionary link between two proteins and align them even if they share very low degree of sequence similarity? 1. […]
DBT BET JRF 2022 Previous Year Questions and Video solution
DNA Fingerprinting: Commonly Used Markers STRs VNTRs RFLP
180. Which one of the following markers is NOT routinely used for DNA fingerprinting? A. Amplification short tandem repeats B. Analysis of copy number variations C. Restriction fragment length polymorphism […]
