) In and high soncentrations ofcaciom s This is ample of A) sranornation C) tran
ID: 182556 • Letter: #
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) In and high soncentrations ofcaciom s This is ample of A) sranornation C) transduction D) conjugation E) transpoition 8) What does bacterial mating le A) exchange of egg and sperm 1S) formatios of a cytoplasmic bridg the tr of ae INA C) sex pili that draw the cells sogther so that RNA can be inserted D) integration of male snd female DNA into a cytoplbd E) binary fission of s bacterial sell 9) Which of the following statements is correct abost gram-egative bacteria A) Penicillins are the best anibiotics to use agrine hem B) They ofen pomess an Cj On a cell-to-cell besis, they possess more DNA than do the cdls of aty teconomically bigher cepmian D) Their cheomosomes are composed or DNA ightly wrapped around lerge amounts of tieone proteis outer membeane containing tocc lipopolysacchar E) Their cell walls are primarily composed of peptideglycan 10) If penicilin is an antibiotic that ishhits enrymes bom catalyzing the synthesis of Pptideglycan, then which prokaryotes should be most vulnerable to inlihition by penicillin A) mycopla B) gram-positive bacteria C) archacs D) gram-negative bacteria E) spore-bearing hacteria II) Prokaryotes heve ribosomes differest fiom those of eukaryotes Because of this, which of the Soiorwing is t A) Some selective antibiotice can block protein synthesis of becteria without harming the eukaryotic ho B) Eukaryotes did not evolive from prokaryotes C) Translation can ocour at the same time as transcription in eskaryotes but not in prokaryotes D) Some antibiotics can block the formation of cross-links in the pegtidoglycan walls of bacteria E) Prokaryotes are able to use a mach greater variety of molecules as food sources thancan eucaryotes 12) Which of the following statements about prokaryotes is correcr ) Racterial cells conjugate to mutually exchange genetic material 1) Their gmetic material is confined within a suclear envelope D) The persistence of hacteria ) They divide by binary fission, without mitosis or meiosis throughout evolutionary time is due to gmetic similarity ocon.became oftes umai m wariation bacteria is not known to ocor, nor shouldExplanation / Answer
7. The answer is A. Transformation.
Those cells which are treated with calcium is called compitent cells.
8. The answer is B. Formatio of a cytoplamic bridge for the trasfer of male DNA.
9. The answers are A,B and E.
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