NBME 18 WITH 100% CORRECT ANSWERS

2mo *infant* 102 deg F *vomiting, diarrhea, dehydration* *viral* particles w/ wheel like shape *properties of virus?* - CORRECT ANSWER *rotavirus* type of nucleic acid: double-stranded RNA, segmented envelope: no capsid symmetry: icosahedral transposition is when a DNA segment _____ from location to another, transferring genes from *plasmid* -- *chromosome* and vice verse - CORRECT ANSWER jumps (ex. vanA gene from VRE to S. aures) why is there a *decrease in VRE resistance* from replica plating? - CORRECT ANSWER plasmid loss *transfer* and *expression* of newly transferred genes - CORRECT ANSWER transformation F+ x F- - CORRECT ANSWER no transfer of chromosomal DNA *mating bridge* transferring *plasmid DNA* only F- cell -- *F+*