BIOLOGY 103 EXAM 1 - BIOLOGY 103 EXAM 1 Sample Exam...

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BIOLOGY 103 EXAM 1 Sample Exam Questions 1. What characterizes a prokaryotic cell? a. the presence of mitochondria b. the lack of a membrane- enclosed nucleus c. the presence of a nucleus with no DNA d. the lack of ribosomes e. having a cell wall without a cell membrane 2. Which of the following statements is NOT true about all living things? a. They are made of cells or cell products. b. They are the products of evolution. c. Their composition includes carbon. d. They undergo growth and development. e. They have a cell wall as an outer boundary. 3. A common first step in the scientific method is; a. formulation of testable hypotheses. b. making observations. c. formulation of a theory. d. a search for relevant materials in the library. e. conducting a controlled experiment. 4. Which of the following are properties of ALL life forms? a. heritable programs in the form of DNA b. photosynthesis c. growth and development d. Only a and c are correct. e. a, b, and c are correct. 5. A cellular diameter of 40 micrometers is equivalent to
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a. 0.4 millimeter. b. 0.04 millimeter. c. 40,000 nanometers. d. 4,000 nanometers. e. Both b and c are correct. 6. Which of the following would be found in an animal cell, but NOT in a bacterial cell? a. DNA b. cell wall c. plasma membrane d. cytoplasm e. nucleus 7. If there are 12 chromosomes in an animal cell in the G1 stage of the cell cycle, what is the diploid number of chromosomes for this organism? a. 6 b. 12 c. 24 d. 36 e. 48 8. The centromere is a region in which a. Chromatids are attached to one another. b. Metaphase chromosomes become aligned. c. Chromosomes are grouped during telophase. d. The nucleus is located prior to mitosis. e. New spindle microtubules form. 9. If cells in the process of dividing are subjected to a drug that interferes with the formation of the spindle apparatus, at which stage will mitosis be arrested? a. Anaphase b. Prophase c. Telophase d. Metaphase e. Interphase 10. A cell containing 92 chromatids at the start of mitosis would, at its completion, produce cells containing how many chromosomes? a. 12 b. 16 c. 23 d. 46 e. 92
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11. All of the following occur during the latter stages of mitotic prophase EXCEPT: a. The centrioles move apart. b. The nucleolus disintegrates. c. The nuclear envelope disappears. d. Chromosomes
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BIOLOGY 103 EXAM 1 - BIOLOGY 103 EXAM 1 Sample Exam...

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