
JRF NET Life Sciences June 2017 Free Model Question Papers (13)
(1). Most of the DNA binding protein binds to DNA by particular motif to modulate gene expression. Genes which are under the regulation of gibberllic […]
(1). Most of the DNA binding protein binds to DNA by particular motif to modulate gene expression. Genes which are under the regulation of gibberllic […]
(1). The characteristics of organisms the reaches first to barren Island during the ecological succession: a. Slow growth and small generation time b. Slow growth […]
1. Penicillin-resistant bacteria produce β-lactamase which inactivates penicillin by: a. Esterifying the carboxyl group b. Oxidizing S atom c. Hydrolyzing the side chain d. Hydrolyzing […]
(1). During glycogen metabolism, the glycogen in the cell is first breakdown to glucose-1-phosphate by the enzyme glycogen phosphorylase. This reaction is a______ a. Glycolysis […]
(1). The quaternary structure of human hemoglobin is best described as: a. Dimer of two myoglobin dimers b. Tetramer of identical subunits c. Tetramer of […]
(1). Action of topoisomerase leads to changes in a. Linking number of single-stranded linear DNA b. Lining number of double stranded linear DNA c. Linking […]
CSIR JRF NET Life Sciences Examination: December 2016 Model Question Paper with Answer Key and Explanations – Set 1/5 1. The metal component of Nitrogenase […]
(1). Active site of all serine proteases consists of a. Ser-Glu-Asp b. Ser-Glu-Met c. Ser-His-Asp d. Ala-Glu-Met (2). Which of the following properties is common […]
(1). In pET expression vectors, high level of expression of cloned gene is achieved using a. T7 promoter b. SP6 promoter c. Λ-PL promoter d. […]