quiz 2 11 ANS - Biology 302 Quiz 2 October 25, 2011...

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Biology 302 Quiz 2 October 25, 2011 Name:__ANSWERS________________ True-False 1 point each 1.__T_Because of the degeneracy of the genetic code a single amino acid can be specified by more than one codon. 2. __F_ DNA replication requires a type of RNA polymerase called the holoenzyme. 3. _F__ The only difference between DNA and RNA is that in RNA there is uracil and in DNA there is thymine. 4. __F_ Base pairing between purines and pyrimidines is responsible for forming double stranded DNA, but not for the formation of internal structures such as stem-loop structures seen in RNA. 5. _T__. A nucleosome contains 146-bp of DNA plus two molecules each of histones H2A, H2B, H3 and H4. 6._T__E.coli RNA polymerases are regulated by at least seven different sigma factors. 7.__T_Histones contain a large number of basic amino acids and therefore are positively charged proteins. 8._T__The enzyme telomerase requires a template in order to synthesize DNA. 9. _F__ The only known DNA double helical structure is called B-DNA and is the one
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This note was uploaded on 12/13/2011 for the course BIOL 302 taught by Professor Connollyandkrizek during the Fall '08 term at South Carolina.

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quiz 2 11 ANS - Biology 302 Quiz 2 October 25, 2011...

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