(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 acid have GRE where, GREB binds. The motif in GREB is ______ a. Leucine Zipper b. bZIP c. Zinc finger d. Homoedomain (2). Which of the following DONOT occur during … Read more
(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 and large generation time c. Fast growth and small generation time d. Fast growth and large generation time Learn more: Process of Ecological Succession (2). A myopic person is also … Read more
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 the C-N bond Ans. (d) β-lactamases or penicillinase are a class of enzymes produced by some bacteria which degrade penicillin antibiotic and thereby impart resistance against penicillin. All penicillin antibiotics … Read more