section 8 quiz 2_answers

section 8 quiz 2_answers - Bio1A Spring 2011 Discussion...

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Bio1A Spring 2011 Discussion Section Quiz #2 Week of March 28, 2011 1) Which of the following characterizes alleles? a. Alternative versions of a gene that produce distinguishable phenotypic effects b. Specific places along the length of a chromosome c. Nucleotide sequence variations possible at a locus d. A and C are true e. A, B, and C are true 2) Sickle cell anemia is a recessive disease caused by a single nucleotide substitution. If Vernon Ingram had sequenced the mutant protein and found changes in 3 consecutive residues, what would that imply about the genetic code? a. Amino acids are encoded by redundant codons b. Amino acids are encoded by overlapping codons c. The genetic code is translated to protein sequence in a nonlinear fashion. 3) I set up an in-vitro translation experiment in water labeled with O 18 . The amino acids are added as charged tRNAs synthesized without any isotopic label. Where will my heavy oxygen be incorporated into the protein? a. At the carboxyl terminus only
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This note was uploaded on 09/20/2011 for the course CHEMISTRY 120 taught by Professor Head-gordon during the Spring '11 term at ASU.

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section 8 quiz 2_answers - Bio1A Spring 2011 Discussion...

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