Midterm II Fall 08

Midterm II Fall 08 - BIS101-01, Fall 2008 Dr. D. J....

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BIS101-01, Fall 2008 Dr. D. J. Kliebenstein, Instructor Midterm Exam II Please print your name and ID number on page 2 and the rest of the exam. Do not print your ID number on the first page. The exam has 10 questions and a total of 120 points For full credit, show all of your work. AUTHORIZATION FOR PUBLIC DISTRIBUTION OF GRADED PAPERS OR EXAMINATIONS I,_________________________________, Authorize the University to publicly distribute my graded exam (e.g., handed out in class or left in an exam bin) for BIS101-01. If I do not sign, then I must see the instructor to pick up my exam. Signed:_______________________________________ Dated:__________________________________
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Name:_________________________ ID:__________________________ 1 ____ ___ 2 ____ ___ 3 ____ ___ 4 ____ ___ 5 ____ ___ 6 ____ ___ 7 ____ ___ 8 ____ ___ 9 ____ ___ 10 ____ ___ Total ________
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Name:_________________________ ID:__________________________ 1. (18 points) Complete the following Table, assuming that the DNA is written with the top left being a 5’ end and that the columns represent transcriptional and translational alignments. Further, reading is from left to right. For DNA, use ACTG or N where N represents any possible nucleotide. Notice the questions to the right of the codon table. A DNA Double Helix C G T C C U mRNA tRNA Anticodon MET Ser Amino Acids Which of the above rows is the template strand? The bottom table is typically thought of as describing the tRNA’s, are there any codons that do not correspond to tRNA’s? If so, what are they and what do they do?
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Name:_________________________ ID:__________________________ 2. A researcher studying two organisms decides to measure their DNA content by analyzing the percentage of the various bases. The results are shown below. What do they indicate about the DNA structure in each organism. (4 pts) Organism 1 – A 13.2 C 36.8 G 36.8 T 13.2 Organism 2 – A 13.2 C 36.8 G 16.8 T 33.2 3. (16 points) In lecture, we went over a number of sequences and pieces of information
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Midterm II Fall 08 - BIS101-01, Fall 2008 Dr. D. J....

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