Gene Regulation Welcome to your Gene regulation question series Which of the following is a most abundant protein found in bacteria? DNA repair proteins DNA polymerase Elongation factors 1,5 bisphosphate carboxylase/oxygenase None What are riboswitches Cis regulatory factors RNA structures I&II A GC rich sequence None Which type gene regulation is present in the bacteria Modification of histones Chromatin remodelling Operon based All of the above None Helix-turn-helix Zinc finger Homeodomain Leucine zipper None Which of the following protein is most abundant in the biosphere? DNA repair proteins DNA polymerase Elongation factors 1,5 bisphosphate carboxylase/oxygenase None Which of the following is true about aptamers They are oligonucleotides They form a defined structures and binds specifically to the target molecule They can be used as an antagonists All of the above. None Which of the following is true about lac repressor in lac operon regulation lac repressor is negative regulator responsive to lactose lac repressor is positive regulator responsive to lactose lac repressor is negative regulator responsive to glucose All of the above None Choose the correct sequence of the events as per the progression of the expression of the lac operon. A. Expression of I geneB. Expression of lac operonC. Binding of lactose to the repressorD.Binding of lac repressor to the operator of lac operon ABCD BCAD ADCB ADBC None What are aptamers Oligonucleotides Oligopeptides Oligosaccharides Multi-protein complex None Each riboswitch binds only one ligand True False None Which of the following genes are not required to be governed by the operon Genes of glycolytic pathway Genes of larger protein complex Genes with co-ordinated function Genes essential under specific condition None Which of the following nucleotide base contributes to the specificity based upon the contact of a non-polar group Thymine Adenine Cytosine Arginine None Time's up
