Exam 1 key - Name KEY BIOL 2030, Exam 1 1. (20 pts.) A. If...

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1. (20 pts.) A. If one strand of a DNA duplex has the sequence 5’- AATACGCATA-3’, what is the sequence of the other strand? 5' TATGCGTATT 3' B. Suppose that a double stranded DNA molecule is denatured into its constituent strands, and the strands are purified in a high speed centrifuge. In one of the strands the base composition is 30% A, 30% T, 15% C, 25% G. What is the base composition of the other strand? 30%T, 30%A, 15%G, 25%C C. Translation of all mRNAs begins with the same amino acid. Which amino acid is this, and what is the corresponding codon? Met = AUG D. If the non-template strand of DNA has the sequence 5’-AATTCCAGT-3’, then what is the sequence of the RNA transcript across this region? 5' AAUUCCAGU 3’ Name KEY BIOL 2030, Exam 1
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2. (20 pts.) A. How many potential reading frames may be found within a given stretch of duplex DNA? Six B. How many actual (not theoretical) open reading frames are found in the segment of DNA indicated by the sequence below? 5’ – A C C G T A G T T A C A C T A C C A A A T T A G G C C
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This note was uploaded on 10/28/2010 for the course CH 34567 taught by Professor Johncolapret during the Fall '10 term at University of Texas.

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Exam 1 key - Name KEY BIOL 2030, Exam 1 1. (20 pts.) A. If...

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