186. Proteins usually have hydrophobic interiors or cores and hydrophilic exteriors. If a protein comprises hydrophobic patches on its outer surface, what can it mean? A. The protein is unstable […]
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DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Linkage Disequilibrium (LD) Decay in Genetics
152. Linkage disequilibrium (LD) decay is: 1. Much rapid in out-crossing than in selfing species 2. Much rapid in selfing than in out-crossing species 3. Equal in selfing and out-crossing […]
DBT BET JRF 2022 Previous Year Questions and Video solution
What Are Fucoidans? Composition and Source Explained
185. Identify the correct statement about Fucoidans: A. Fucoidans are iron containing proteins, found in blue green algae. B. Fucoidans are sulphur containing amino acids found in marine derived proteins. […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Title: Understanding Markers in Quantitative Trait Locus (QTL) Studies: The Role of Background Markers
151. A marker present outside the targeted QTL used to check the crossing over is called: 1. Peak marker 2. Background marker 3. Recombinant marker 4. Foreground marker Question A […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Nondisjunction and X-Linked Traits: A Case of Color Blindness
150. Color blindness in human beings is an X-linked trait. A color-blind man has a 45, X daughter who is also color-blind. The nondisjunction that leads to the 45, X […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Simple and Cost-Effective Way to Detect Product Formation in a Reaction
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. […]
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 […]
