MCC Fall 2008 Final exam - Name: _ Class: _ Date: _ ID: A...

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Name: ________________________ Class: ___________________ Date: __________ ID: A 3 MCC Biology Final Exam Fall 2008 -Part I - Stephansky Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Most plants appear green because chlorophyll a. does not absorb green light. c. absorbs green light. b. reflects violet light. d. none of the above ____ 2. When during the cell cycle is a cell’s DNA replicated? a. G1 phase c. S phase b. G2 phase d. M phase ____ 3. During which phase of mitosis do the chromosomes line up along the middle of the dividing cell? a. prophase c. metaphase b. telophase d. anaphase ____ 4. Cancer is a disorder in which some cells have lost the ability to control their a. size. c. growth rate. b. spindle fibers. d. surface area. ____ 5. When Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were tall because a. the allele for tall plants is recessive. b. the allele for short plants is dominant. c. the allele for tall plants is dominant. d. they were true-breeding like their parents. ____ 6. If an organism’s diploid number is 12, its haploid number is a. 12. c. 24. b. 6. d. 3. ____ 7. What is shown in Figure 11-1? Figure 11–1 a. independent assortment c. crossing-over b. anaphase I of meiosis d. incomplete dominance ____ 8. Unlike mitosis, meiosis results in the formation of a. two genetically identical diploid cells. b. four genetically different haploid cells. c. four genetically identical haploid cells. d. two genetically different diploid cells.
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Name: ________________________ ID: A 2 ____ 9. The source of oxygen produced during photosynthesis is a. carbon dioxide. c. the air. b. water. d. glucose. ____ 10. Homologous chromosomes are pairs of chromosomes containing genes that code for a. different traits. c. DNA. b. the same traits. d. cytosol. ____ 11. In humans, the male determines the sex of the child because males have a. two X chromosomes. c. two Y chromosomes. b. one X and one Y chromosome. d. 46 chromosomes. ____ 12. Refer to the illustration above. The cell in diagram 1 is in a. metaphase. c. anaphase. b. telophase. d. prophase. ____ 13. The phenotype of an organism a. represents its genetic composition. b. is the physical appearance of a trait. c. occurs only in dominant pure organisms. d. cannot be seen. ____ 14. If a characteristic is sex-linked, it a. occurs most commonly in males. c. can never occur in females. b. occurs only in females. d. is always fatal. ____ 15. A hypothesis is a a. definite answer to a given problem. b. testable possible explanation of an observation. c. proven statement. d. concluding statement. ____ 16.
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This note was uploaded on 02/28/2010 for the course BIO 50050 taught by Professor Batterton during the Fall '09 term at University of Texas at Austin.

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MCC Fall 2008 Final exam - Name: _ Class: _ Date: _ ID: A...

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