samplemt2 - BIS101 Sample Midterm 2 1. Which of the...

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BIS101 Sample Midterm 2 1 1. Which of the following statements about DNA ligase is true? Circle the correct answer(s). (6 pts.) A. Catalyzes the formation of hydrogen bonds between adjacent 5'-P and 3'-OH termini B. Adds an AMP to the 5' end of DNA C. Adds a methyl group to the 3' end of DNA D. Catalyzes a covalent bond between the 5'-P and 3'-OH of DNA termini E. Catalyzes a covalent bond between the 3'-OH of DNA and the 5'-P of RNA 2. Which of the following statements best describes semiconservative discontinuous DNA replication? Circle the correct answer(s) (6 pts.) A. In prokaryotes, DNA replication begins at multiple origins of replication B. At the replication fork, one of the daughter strands is synthesized in short pieces, which are subsequently joined together C. At the replication fork, both daughter strands are synthesized in short pieces, which are subsequently joined together D. At the replication fork, one of the daughter strands is replicated in a one long piece that does not need to be subsequently joined together. E. Once DNA synthesis starts, polymerization continues uninterrupted until replication is complete. 3. Which of the following statements is not a key property of hereditary material? Circle the correct answer. (6 pts.) A. It must be capable of being copied accurately. B. It must encode the information necessary to form protein. C. It must undergo occasional mutation. D. It must be able to adapt itself to each cell or tissue type. E. Must be stable under a wide range of environmental conditions.
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BIS101 Sample Midterm 2 2 4. If the GC content of a DNA molecule is 56%, what are the percentages of the four bases (A, T, G and C) in the molecule? Circle the correct answer. (6 pts.) A. 25% (A), 25% (T), 25% (G), 25% (C) B. 28% (A), 28% (T), 22% (G), 22% (C) C. 22% (A), 28% (T), 22% (G), 28% (C) D. 22% (A), 22% (T), 28% (G), 28% (C) 5. Shown below are the results of a genetic profiling test to establish paternity. The test uses
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samplemt2 - BIS101 Sample Midterm 2 1. Which of the...

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