Solved Problems on Protein Structure in the Molecular Biology - Exam 2 | MICR 3033, Exams of Cellular and Molecular Biology

Download Solved Problems on Protein Structure in the Molecular Biology - Exam 2 | MICR 3033 and more Exams Cellular and Molecular Biology in PDF only on Docsity! EXAM 2 - Spring 2010 Your Name or ID ry rl / The exam is worth 300 points, 30% of the possible course points / f PLEASE READ carefully and answer precisely é rotein Structure and Function E01 (20 points) Protein structure is dictated by the amino acid sequence. Should a protein, in which the order of all amino acids is reversed, (ABC->CBA) have the same structure as the original protein? Explain with supporting information. kg oa pcbhen s ately all ArA's ere eect til Neher bal pot baw the Sa ree. Sderot ag le eh get np tbieles « bei Be cance He thrnutinen edb ted deade be the Span tft. kee, “ é 3 z bees! ‘ be nad frye ted tte gl The com td alco _-petendall, vant waostind bea beg tl bews.....tlaue,.. Presets tent Me. Hhre ped saden  fo Prade et. al. Cell and Molecular Biology MICR3033 Spring 2010 06 (20 points) Replication proceeds at replication forks in E. coli in a semi- discontinuous manner. A- what does semi-discontinuous mean? B - What property of DNA polymerases results in the need for seri-discontinuous synthesis? C - What is an Okazaki fragment? D - What is the "priming problem" for synthesis of an Okazaki fragment? E - Why is an RNA primer a good solution to the priming problem? \ feeder the... the, lending Aud Lee de Chard bekep Cynthesleed. Betomst the leadlag Cte"! tbsothbentteg Bod the tangy buy 2traad tbr Ont oreg p Let vobaete opcorathes 0h goth be pen adizcestinwtnd /B- DNS Poly nnsrase Sem ty Ghle fo V Cle FO direction VV C7 An Dhorek: fengnasnei¢ 4 corall Sepnece ef DNA fate 2’ 8 ee etlan gp thet regret ld teplicore wy the poly Antica se to dew “bnekeritebtag’ reotion x accion £0. Spatlatine its _ Dr DNA paly meers Cet tan $ pe ete gl Bebrmn hen 9 ea les grewdte byt SOE, bw pti SPtad etl see as DMB peteqaecteyp finch As (prion $e tp. ttach ta the Eetapherng of se fond. OX SpnHeereee the RNA Streaks) Ae Aa RNA @ peep ouch, © Poitee erttaulell. to. “fe eral IE ee RO ot amend ned Syrntlatileegs —.. the, krands chnee.__DVA pol ce eed (on te ne lita SY I ht a tt NO LOOSE pg. 4 Prade et. al. Cell and Molecular Biology MICR3033 Spring 2010 E07 (20 points) What are primases used for in replication? What do they synthesize? Derlerest Ataeh te He engad of a Sh hr / vada tee ONE poly meena se Lannep Cy ath oiee ancl. goes. Bed amd Syarincroey tle, tes et ennendet ev be cat Ole. tretesterk. OE... poly vaca bt aE 08 (20 points) Describe a typical telomere? ‘ A typtenl dele meee 8st Sty eee of looking thine a. a tee bps ghceal PLEVENTS SHOLTEMING pg. § a \ Prade et, al. Cell and Molecular Biology MICR3033 Spring 2010 ‘anslation E09 (20 points) RNA polymerase transcribes from both strands. How is than the transcript organized and the genetic code interpreted? RUE prem tenthes obieth chevindt.. Par segeenes.o fon RM, Tht —is then trindared by ¢ RUM deol _poceted ye ere Sree d Fram — _ te Anak seqwenas Hort tee Paited bp TRA ay \ yen oe i g HES Apt <tor ts geek Te 1 points) Describe a typical bacterial promoter? A_typseal by aeterr fot rena tee ptades — S6H o0 sof nieleatider at. be ~3s aad -10 spot thar. pxttlan....the Sip ree factor ap to ted det tee batch new te Guangevibe,Tirasce ipt how te be ging at the. tl cab en hotest # ~ KE PLE Cony) S ACIVaTORS pg. 6