Exam_1 - BIOLOGY 311C Brand Spring 2007 NAME(printed very legibly_Key UT-EID EXAMINATION I Before beginning check to be sure that this exam

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Spring 2007 Exam 1 p. 1 BIO 311C Brand BIOLOGY 311C - Brand Spring 2007 NAME (printed very legibly) ___ Key ______________________________________ UT-EID _____________ EXAMINATION I Before beginning, check to be sure that this exam contains 7 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 37 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 38 – 41 directly on this exam, in the spaces provided with the questions. Write in complete sentences if an explanation or a description is required. 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 you exam on or before 9:50 a.m. 1. A chemical species that carries one or more negative electrical charges is called a(n): a. anion. b. cation. c. isotope. d. isomer. 2. A single unit of an element is called a(n): a. proton. b. ion. c. molecule. d. atom. 3. A chemical reaction involves the loss, gain or re-distribution of one or more: a. atoms. b. molecules. c. protons. d. electrons. 4. How many covalent bonds occur in the molecule whose chemical formula is CH 4 ? a. 2 b. 3 c. 4 d. 5 5. Which one of the following is considered to be an organic compound? a. H 2 O b. CH 3 -OH c. HCO 3 - d. NH 3
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Spring 2007 Exam 1 p. 2 BIO 311C Brand 6. Which one of the following functional groups appears in the molecule whose chemical structure is shown at right? a. Alcohol b. Aldehyde c. Ketone d. Carboxylic acid 7. The typical bond length of a covalent bond (in units of Å) is: a. 1. b. 3. c. 40. d. 109. 8. Which one of the following is most important in the movement of human cells by lamellipodia? a. Microtubules
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This note was uploaded on 03/20/2008 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas at Austin.

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Exam_1 - BIOLOGY 311C Brand Spring 2007 NAME(printed very legibly_Key UT-EID EXAMINATION I Before beginning check to be sure that this exam

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