mti2006key1

mti2006key1 - MTI-Ob ( l. Y our t extbookd escribeswo e...

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MTI-Ob D. @ l. Your textbook describes two exp€riments (i.e., Avery, Macleod and McCarthy -l9M and Hershey and Chase - 1951) that proved DNA is the genetic material. Indicate which of the following statement(s) corectly describes these rwo experimental approaches. ( l6 pts.) A. Hershey and Chase used radioisotopes of phosphorus 132p1 and sulfur (3sS) to show that the genetic materials of pneumococcal bacterial was DNA not proteins. The Avery et al experiment showed that nonvirulent pneumococci could be transformed into a virulent strain with DNA. The Avery et al experirnents showed that bacteriophage could be transformed into a virulent stain with lipids, polysaccharide or protein. The Avery experiment showed that DNA injected under the skin of mice could cause death. Hershey and Chase showed that shortly after infection with radiolabelled bacteriophage, 35S was found predominately outside the infected bacteria while 32P was found predominately on the inside of the bacteria. 2. ln 1902, Sutton and Boveri, proposed the Chromosome Theory of Inheritance. Which of the statements below is not consistent with this theory. Indicate you answer by circling the incorrect sratement. (10 pts.) A. Genes are arranged in pairs along the length of pairs of chromosomes. C€nes s€gregate during meiosis by longitudinal division of each chromosome. The chromosomes
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This note was uploaded on 12/18/2009 for the course BIS 52191 taught by Professor Marksanders during the Spring '09 term at UC Davis.

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mti2006key1 - MTI-Ob ( l. Y our t extbookd escribeswo e...

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