B1 Q2 MP - Quarter 2 Mastery Packet Name This is a practice test only and is not all inclusive of all material that will be on the final exam Do

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Quarter 2 Mastery Packet Name: __________________ *** This is a practice test only and is not all inclusive of all material that will be on the final exam. Do not rely soley on this mastery packet for your review, because it doesn't include everything that may potentially be tested. These questions are related to second quarter material only. Use your first quarter mastery packet as review of first quarter material. 1) "Sticky ends" are produced as a result of the action of ______. A) DNA ligase B) a clone C) humulin D) a restriction enzyme E) genomics 2) "Sticky ends" are ______. A) single-stranded ends of fragments of double-stranded DNA B) the only regions of chromosomes where homeotic genes are found C) the site on chromosomes where the centromere is found D) telomeres E) regions of double-stranded DNA that can be cut by a restriction enzyme 3) Cutting DNA with a particular restriction enzyme produces ______ that can be separated by gel electrophoresis. A) enzymes B) restriction fragments C) recombinant DNA D) a genomic library E) plasmids 4) Restriction enzymes are obtained from ______. A) retroviruses B) eukaryotes C) DNA viruses D) archaea E) bacteria 5) Gel electrophoresis separates DNA molecules on the basis of ______. A) the amount of adenine they contain relative to the amount of thymine they contain B) the nucleotide sequence of their sticky ends C) the amount of adenine they contain relative to the amount of guanine they contain D) their lengths E) their nucleotide sequences 6) DNA and RNA are polymers composed of ______ monomers. A) amino acid B) nucleic acid C) carbohydrate D) fatty acid E) nucleotide 7) The backbone of DNA consists of ______. A) a repeating ACTGACTG pattern B) nitrogenous bases C) a repeating sugar-nucleotide-sugar-nucleotide pattern D) a repeating sugar-phosphate-sugar-phosphate pattern E) paired nucleotides 8) In a DNA double helix, adenine pairs with ______ and guanine pairs with ______. A) guanine . . . adenine B) cytosine . . . uracil C) uracil . . . cytosine D) thymine . . . cytosine E) cytosine . . . thymine 9) The percent of cytosine in a double stranded DNA is 17. What is the percent of adenine in that DNA? A) 17 B) 66 C) 33 D) 34 1
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10) Who discovered the structure of DNA? A) Chase B) Watson and Crick C) Hershey and Chase D) Franklin E) Pauling 11) The two strands of a DNA molecule run in opposite directions. The 3' and 5' ends of one strand are opposite the 5' and 3' ends of the complementary strand. This is analogous to A) a baseball and a bat. B) a photograph and a photographic negative. C) an "up" escalator next to a "down" escalator. D) one side of a divided highway. E) both A and C. 12) In order to fit within a cell, DNA becomes more compact by A) being enzymatically changed into a protein. B) extending to form very long, thin molecules. C) wrapping tightly around associated proteins.
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This note was uploaded on 07/08/2011 for the course BIOL 101 taught by Professor Smith during the Spring '11 term at Aachen University of Applied Sciences.

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B1 Q2 MP - Quarter 2 Mastery Packet Name This is a practice test only and is not all inclusive of all material that will be on the final exam Do

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