Biology 1710 Exam IV F'03

Biology 1710 Exam - Biology 1710.001 Exam IV Fall,03 Name Remember to read all of the possible answers for each question before choosing the BEST

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Biology 1710.001 Name:_____________________________ Exam IV, Fall ‘03 Remember to read all of the possible answers for each question before choosing the BEST ANSWER. 1. When you were very young, an embryo, you possessed a tail and gills. These structures and the cells that made them up are now gone. The process leading to the death of these cells is BEST described as: a. developmental regulation. b. metastasis. c. apoptosis. d. metamorphosis. e. mosaic development. 2. 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 up or downstream is called: a. a promoter. b. an operator. c. a transcription factor. d. a methylation site. e. an enhancer. 3. A protein that binds to a bacterial operon, preventing RNA polymerase from transcribing the genes would be most likely classified as a/an: a. repressor. b. CAP protein. c. operator. d. transcription factor. e. post-transcriptional regulator. 4. In the E. coli system, CAP is an example of a/an: a. repressor. b. operator. c. transcriptional activator. d. aporepressor. e. None of the above is a correct answer to the question. 5. Which of the following would be the best candidate to have a helix-turn-helix motif? a. lac repressor b. rubisco c. chlorophyll a d. glycogen e. DNA
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The gene that has been found to be lost or inactivated in more that 50% of all human cancers encodes: a. a G protein. b. p53. c. Rb. d. a cyclic dependent kinase. e. No such gene exists since cancers all involve a unique set of mutated genes. 7. The most common cancer cause of death in women today is: a. lung cancer. b. cervical cancer. c. breast cancer. d. Colon cancer. e. pancreatic cancer. 8. In terms of genomes, a physical map is: a. a map showing the linkage distances between genes. b. based upon crossover frequencies. c. created by studying chromosomal rearrangements. d. A map that shows the relative positions of landmarks (or specific DNA sequences). e. None of the above is correct answers. 9. The first recombinant DNA molecule was created by ______ (1973), earning them the Nobel Prize. a. Watson and Crick b. Fred Sanger c. Walter Gilbert d. Cohen and Boyer e. Kary Mullis 10. The enzyme which makes a DNA copy of an RNA molecule is called a/an: a. DNA polymerase. b. RNA polymerase. c. reverse transcriptase. d. transposase. e. RNA transferase. 11. The TATA box of a eukaryotic gene is commonly associated with the: a. operon. b.
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This note was uploaded on 04/25/2008 for the course BIOL 1710 taught by Professor Jag during the Fall '08 term at North Texas.

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Biology 1710 Exam - Biology 1710.001 Exam IV Fall,03 Name Remember to read all of the possible answers for each question before choosing the BEST

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