Tag: DBT JRF PYQ-2022

99. Which one of the immunodeficiency is caused by a mutation in BTK gene: A. X-linked SCID B. X-linked agammaglobulinemia C. DiGeorge syndrome D. Chronic granulomatous disease Detailed Explanation: Immunodeficiencies […]

98. The CO-NH moiety between two C-alpha atoms constitutes the Peptide bond. The measured bond lengths (Angstroms) are: C(alpha)-CO (1.51); C=O (1.24); C-N(1.33); N-C(alpha)1.46. In which of these, there is […]

97. Which of the following statements are correct? A. Lipid bilayer lacking proteins is highly impermeable to all the charged molecules. B. Channels have specific binding pockets for the solute […]

96. Which one among the following is an important constituent of RNA induced silencing complex in plants? A. Argonaute B. LHP1 C. RNaseP D. RNA dependent RNA polymerase Detailed Explanation: […]

95. In animal cloning protocol, while performing enucleation, which chemical is used for relaxing the cellular cytoskeleton? A. Phytohaemagglutinin B. Cytochalasin B C. Pronase D. Heparin Detailed Explanation: In animal […]

94. In an enzyme catalyzed reaction following Michaelis-Menten kinetics, both the enzyme amount and substrate (S) are doubled and we observe that the reaction rate is also doubled. From this, […]

93. Which one of the following genes can be used to generate male sterile crop plants? A. Barnase B. Bar C. Lectinase D. Chalcone Synthase Detailed Explanation: In agricultural biotechnology, […]

92. Which one of the following types of mutations can lead to a major change in the encoded protein? A. Insertion of a single nucleotide near the end of the […]

91. Yeast cells obtained from batch fermentation can be reutilized for the production of: A. Beer B. Trypsin C. Chloramphenicol D. Acetic acid Detailed Explanation: In industrial and traditional fermentation […]

90. RTS,S vaccine for malaria consists of the central repeat (R) region derived from Plasmodium falciparum circumsporozoite protein (CSP) that is genetically fused to the T-cell epitope (T) and surface […]