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Biology 1710 Exam IV SS'03

Biology 1710 Exam IV SS'03 - Biology 1710 Exam IV Summer,03...

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Biology 1710 Name:_____________________________ Exam IV, Summer ‘03 Remember to read all of the possible answers for each question before choosing the BEST ANSWER. 1. A group of cells in an embryo die in a process of programmed cell death. This is phenomenon is BEST described as: a. developmental regulation. b. metastasis. c. apoptosis. d. metamorphosis. e. mosaic development. 2. The sequence of nucleotide to which an RNA polymerase binds to in, for example, the lac operon is called a/an: 3. An example of a eukaryotic DNA element to which a protein can bind and activate a gene or genes located up to 1000’s of nucleotides distant is called: 4. A protein that binds to a bacterial operon, preventing RNA polymerase from transcribing the genes would be most likely classified as a/an: 5. A chemical is thought to be a cause of cancer. It is likely to be classified as a/an: a. carcinogen. b. promoter. c. carcinoma. d. sarcoma. e. oncogene.
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6. In the E. coli system, CAP is an example of a/an: 7. Which of the following would NOT be good a candidate to have a helix-turn- helix motif? 8. The gene that has been found to be mutated in more that 50% of all human cancers encodes: 9. The protein-encoding segments of genes in humans make up about ______ of the human genome. a. 1% b. 15% c. 25% d. 50% e. 75% 10. The most common cancer cause of death in women today is: 11. The E. coli lac operon is best described as being:
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12. The first recombinant DNA molecule was created by ______ (1973), earning them the Nobel prize.
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