Exam 1 Spring 2010 - BIOLOGY 311C - Brand Spring 2010 NAME...

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Spring 2010 Exam 1 p. 1 BIO 311c Brand BIOLOGY 311C - Brand Spring 2010 NAME (printed very legibly) _________________________________________ UT-EID ________________ EXAMINATION I Before beginning, check to be sure that this exam contains 8 pages (including front and back) numbered consecutively, and that you have been provided with a clean Answer Sheet. Then immediately print your name and UT-EID legibly at the top of this page. Also print and bubble in your name and your UT-EID (not your social security number) on the front of the Answer Sheet in the spaces provided. The first 42 questions are “multiple choice”, with only one correct answer. Mark the letter corresponding to the correct answer to each of these questions in the appropriate location on the Answer Sheet, using a No. 2 pencil. Write answers to Questions 43 – 47 directly on this exam, in the spaces provided with the questions. Write in complete sentences if an explanation is required and Print neatly if your handwriting is likely to be difficult to read. Turn in both this exam and the Answer Sheet after checking to be sure that your name is clearly written in both places and all questions have been answered in the appropriate locations. You must turn in your exam on or before 9:55 a.m. 1. Which one of the atoms whose chemical symbol is shown here has a covalency of 2 when it occurs in biological molecules? a. N b. C c. H d. S 2. A neutral atom is defined as an atom that does not: a. have any electrons. b. carry any net electric charge. c. form any covalent bonds. d. form any hydrogen bonds. 3. A molecule that is composed of two or more different kinds of atom is called a(n): a. isotope. b. isomer. c. chemical substance. d. compound. 4. How many electrons participate in a single covalent bond? a. 1 b. 2 c. 3 d. 4 5. Which one of the following shows the most detailed information about a molecule? a. Its structural formula b. Its chemical formula c. Its stereo formula d. A listing of the elements it contains
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Spring 2010 Exam 1 p. 2 BIO 311c Brand 6. Which one of the following is not an accurate description of the substance whose chemical structure can be shown as HCO 3 - ? a. It is a cation. b. It is a compound. c. It is inorganic. d. It contains a total of 5 atoms. 7. The bond length of a typical covalent bond, given in units of nm, is: a. 0.1 . b. 1 . c. 10 . d. 100 . 8. Which one of the following is not a “black-box” property of all living cells? a. A requirement for a continuous source of food b. A requirement for continuous generation of waste c. A requirement for a continuous source of organic molecules d. A requirement for a continuous source of energy 9. The first person to have recorded the observation that single-celled and few-celled organisms are compartmentalized into discrete cells was: a. Louis Pasteur. b.
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This note was uploaded on 04/30/2011 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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Exam 1 Spring 2010 - BIOLOGY 311C - Brand Spring 2010 NAME...

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