Tag: DBT JRF PYQ 2020

Which interactions are generally observed at the core of stable protein-protein complexes? 1. salt bridges 2. hydrogen bonds 3. disulfide bonds 4. hydrophobic   Detailed Explanation: Correct Answer:4. hydrophobic Understanding […]

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   […]

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 […]

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 […]

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 […]

Which of the following process does NOT contribute to conversion of a proto-oncogene to oncogene? 1. de-activating mutation in tumor suppressor 2. activating mutation in proto-oncogene 3. increased expression of […]

An energy generatioin process in which organic compounds act as both electron donors and terminal electron acceptor in a microbe is called 1. photosynthesis 2. biomass formation process 3. aerobic […]

During genome engineering process, the role of flippase enzyme in the next round of modification in the target gene is to 1. add frt sequence 2. remove frt sequence 3. […]

The location of a proteins in cells can be studied using 1. X-ray crystallography 2. western blotting 3. fluorescent microscopy 4. NMR spectroscopy   Detailed Explanation: The correct answer is: […]

Pruning helps in making the hedge dense because 1. it frees axillaery buds fromapical dominance 2. more root growth supports more shoot branches 3. the apical shoot grows slower after […]