Partial preview of the text
Download Solution Key for Exam 3 Form A - Molecular Genetics - Fall 2009 | MCB 250 and more Exams Molecular biology in PDF only on Docsity!
NAME: _ o NETWORK ID:_ SECTI TA: MCB250 272 Exam TI cad A Fey ee Form A _ S November 11, 2009 Multiple Choice: NOTE: Read cach question carefully and choose the BEST answer from the choices A-E. Each question is worth 5 points. Please read all questions carefully! fe ‘, we \1.} Genetic complexity of a genome best correlates with: Av G+ E-contenit. B. Melting temperature. €) __ Renaturation rate. ‘D. Amount of repetitive DNA. E. Presence of epichromosomal elements. 2. Gene density decreases with: A Increases in the number of operons. iy . . : : YB Increases in amounts of transposon, non-coding and intron sequence in the genome. ae Increases in total number of genes in the genome. om Decreasing complexity of the organism. E. Decreasing numbers of gene cassettes. 3. During chromosome partitioning in prokaryotes such as true bacteria: A. The kinetochores on the chromosomes are bound by spindle microtubules. B. The ter sites interact directly with poles of the cell. Cc. ParM, bound at the poles, pulls the chromosomes to the two daughter cells by depolymerization. Be" The nuclear membrane disappears as the cells segregate their replicated chromosomes. “.E.-, The replisome remains stationary and the replicated chromosomes are directed to the poles of the cell. 
