Practice_Problem_Set2_2012

Practice_Problem_Set2_2012 - BIS101-003, Winter 2012...

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1 BIS101-003, Winter 2012 Practice Problems Set 2 R. L. Rodriguez, Instructor 1. Which of the following statement(s) is true about telomeres and telomerase. Circle the correct answer(s). (7 pts.) A. Is a multi-subunit enzyme consisting of two heteroheptomeric monomers. B. Is a multi-subunit enzyme consisting of proteins and a small RNA. C. Is necessary for chromosome stability. D. Acts at the replication fork to help extend the ends of RNA primer. E. Provides a 3’OH template primer for DNA synthesis. F. Has been referred to as the “immortality gene.” G. Each metaphase chromosome has 4. H. Has 5’ to 3’ exonuclease activity. I. Requires short tandem repeat DNA sequences to function. J. Requires a 3’OH template primer to function. K. Each metaphase chromosome has 2. L. Older eukaryotic organisms have more than younger cells. M. Older eukaryotic organisms have less than younger cells. 2. Which of the following statement(s) is true about DNA polymerase III. Circle the correct answer(s). (6 pts.) A. Is a multi-subunit enzyme consisting of two heteroheptomeric monomers. B. Is a multi-subunit enzyme consisting of proteins and a small RNA. C. Acts at the replication fork to help extend the ends of RNA primer. D. Provides a 3’OH template primer for DNA synthesis. E. Responsible for leading strand DNA synthesis F. Responsible for lagging strand synthesis away from the fork. G. Has 5’ to 3’ exonuclease activity. H. Requires short tandem repeat DNA sequences to function. I. Requires a 3’OH template primer to function. J. Has 3’ to 5’ exonuclease activity. K. Polymerizes ribonucleotides in the 3’ to 5’ direction. L. Polymerizes deoxribonucleotides in the 3’ to 5’ direction. M. Polymerizes deoxribonucleotides in the 5’ to 3’ direction.
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2 3. If the G content of DNA is 24%, what is the percentage of each of the three bases (A, C and T). Circle the correct answer (8). A.
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This note was uploaded on 03/18/2012 for the course BIS 101 taught by Professor Simonchan during the Winter '08 term at UC Davis.

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Practice_Problem_Set2_2012 - BIS101-003, Winter 2012...

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