311C F07 Exam1C+A - Name _KEY_ Bio 311C Exam 1 C/D On the...

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Name _______ KEY _______ Bio 311C Exam 1 C/D On the scantron provided: 1. write and bubble your name, 2. write and bubble your UTeID, 3. write your unique # on the line provided, and 4. write your exam form (IC) above the longhorn. Multiple Choice. (2 points each) Choose the best response for each of the following. Record your answer on the scantron provided. 1. What do the properties of water (namely cohesion, surface tension, and high specific heat) have in common? a. All are produced by hydrophobic interactions. b. All have to do with non-polar covalent bonds. c. All decrease when temperature increases. d. All are properties related to hydrogen bonding. e. All are due to the presence of oxygen in water. 2. Cholesterol a. increases membrane fluidity at all temperatures. b. decreases membrane fluidity at all temperatures. c. is classified as a lipid because it contains fatty acids. d. is classified as a lipid because it can be found in cellular membranes. e. is a precursor for a number of other steroids. 3. Atoms in which the number of electrons does not equal the number of protons are a. valences. b. ions. c. isotopes. d. molecules. e. orbitals. 4. An atom with a complete valence shell a. forms covalent bonds in aqueous solutions. b. forms ionic bonds in aqueous solutions. c. is stable and inert. d. is unstable and reactive. e. is the basis of organic compounds. 5. The major difference between carbon-12 and carbon-14 is that carbon-14 has a. two more protons than carbon-12. b. two more neutrons than carbon-12. c. two more electrons than carbon-12. d. one more proton and neutron than carbon-12. e. one more electron and proton than carbon-12. 6. Which of the following statements about the primary structure of a protein is not true? a. It may be branched. b. It is determined by the sequence of nucleotides in DNA. c. It is unique to that protein. d. It determines the tertiary structure of the protein. e. It is the sequence of amino acids of the protein.
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7. What is the nucleotide sequence of the complementary strand of this DNA molecule: 5’-CCAAGGTT-3’ a. 5’-TTGGAACC-3’ b. 3’-TTGGAACC-5’ c. 3’-AACCTTGG-5’ d. 3’-GGTTCCAA-5’ e. 3’-GGUUCCAA-5’ 8. Which of the following is a generalization of the “Cell Theory”? a. Cells are the basic unit of life. b. All cells contain a nucleus. c. DNA is the genetic material of all cells. d. Cells can form by spontaneous generation. e. Cells have organelles for specific functions. 9. What happens when an oil is hydrogenated? a. The number of hydrogen atoms in the oil molecule decreases. b. The number of hydrogen atoms in the oil molecule increases. c. The number of carbon-carbon double bonds in the oil molecule increases. d.
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This note was uploaded on 03/23/2010 for the course CH 54410 taught by Professor Sessler during the Spring '10 term at University of Texas at Austin.

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311C F07 Exam1C+A - Name _KEY_ Bio 311C Exam 1 C/D On the...

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