Which of the following is NOT true ? 1. prokaryotes are unicellular organisms 2. eukaryotes can be either multicellular or unicellular organisms 3. prokaryotic cells lack nucleus whereas eukaryotic cells […]
Tag: DBT JRF PYQ 2020
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DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Primary Cilia Biogenesis: Key Insights and Timing in the Cell Cycle
Primary cilia biogenesis typically starts at the 1. S phase of the cell cycle 2. S and G2 phase of the cell cycle 3. G2 phase of the cell cycle […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Role of Freund’s Complete Adjuvant in Immunization
The Freund’s complete adjuvant is a mixture of 1. oil, water, dried bacterial spores 2. oil, water and dried Mycobacterium cells 3. amino acids, detergent and dried S. aureus cells […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Where Does Lipid Synthesis Occur in Cells? The Role of the Endoplasmic Reticulum
Synthesis of majority of lipids in a cellular system occurs in the 1. mitochondria 2. lysosomes 3. nucleus 4. endoplasmic reticulum Where Does Lipid Synthesis Occur in Cells? The Role […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Why Histones Contain a High Amount of Basic Amino Acids: Understanding Their Role in DNA Packaging
Histones 1. contain high amount of basic amino acids 2. contain both 𝛼 − ℎ𝑒𝑙𝑖𝑥 and 𝛽 − 𝑝𝑙𝑒𝑎𝑡𝑒𝑑 sheet 3. have molecular weights in excess of 100,000 Da 4. […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Why is Chlorine Assigned an Atomic Weight of 35.5?
Chlorine is assigned and atomic weight of 35.5. This is due to 1. presence of half of proton 2. none of the given options 3. presence of isotopes 4. presence […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Termination Process in Automated DNA Sequencing
The most important step of an automated DNA sequencing reaction is 1. specific and systematic termination of the amplified DNA 2. ligation of DNA template 3. addition of calcium chloride […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
How Do Bacteria Protect Themselves from Phages? Understanding the Role of Endonucleases
Bacteria protect themselves from phages by producing the following enzymes which fragment the phage genome 1. endonucleases 2. methylases 3. topoisomerases 4. exonucleases How Do Bacteria Protect Themselves from Phages? […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Which Enzymes Are Critical for Genome Replication? A Deep Dive into Key Enzymes
Which of the following is/are critical for genome replication? 1. all of the given options are correct 2. polymerase 3. ligage 4. helicase Which Enzymes Are Critical for Genome […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Which Amino Acid Pairing Is Not Based on Polarity? Understanding Glu and Ile
Which of the following is NOT a rational grouping of amino acids bases on their polarity properties? 1. Val and Leu 2. Met and Leu 3. Asn and Gin 4. […]
