BIO311c-Exam1-Fall2007

BIO311c-Exam1-Fall2007 - BIO 311c Exam 1 K. Sathasivan Fall...

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BIO 311c Exam 1 K. Sathasivan Fall 2007 BIO 311 c Introductory Biology I K. Sathasivan Fall 2007 EXAM 1 NAME _____________________________________ EID __________________ Discussion section Registered (Day and time) ____________________. ! Write your name, EID, course # and discussion section registered on scantron form and on the exam paper. ! After completion, return the scantron form and exam paper to the proper discussion section that you are registered in. ! If you have comments on any of the questions on this exam, please write them in this page and submit. We will not be answering any exam-related questions during the testing period. Signature 1
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BIO 311c Exam 1 K. Sathasivan Fall 2007 Read each question carefully and completely before you select the best answer for questions 1-52, and fill in the appropriate blank in the scantron form with a #2 pencil. Each question is worth 2.0 points. Answer all 52 questions. The best 50 answers will be considered for a maximum of 100 points. 1) Fresh onion in the produce section of a grocery store is considered alive because of the following reasons EXCEPT? A) Presence of intact cells with nucleus B) Presence of a nucleus surrounded by a nuclear membrane C) Response to changes in the environment D) The lack of nucleus and biological membranes E) Ability to grow when the conditions are optimal 2) If you want to study the toxicity of a new pesticide on plants, fungi and bacteria, which of the following model systems will you use, respectively? A) Oak tree, rat, E. coli, B) Arabidopsis , yeast, E. coli C) Orchid, nematode, Salmonella D) Rice, yeast, rat E) Bluebonnet, E. coli, rabbit 3) After measuring CO 2 concentration and temperatures in several parts of the world, scientists concluded that global warming is happening for real. This type of making inferences is called a/an _____________ approach. A) eccentric B) intrinsic C) inductive D) deductive E) political 4) A scientist studied the effect of several new drugs on the control of anthrax bacteria growing on petri plates with proper nutrients. This type of experiment is referred to as a/an ____________ study. A) confidential B) classified C) in situ D) in vitro E) in vivo 5) When an atom that is strongly electronegative and has seven electrons in its valence shell interacts with another atom with one electron in its valence shell, they tend to form A) isotopes. B) ionic bonds. C) polar covalent bonds. D) non-polar covalent bonds. E) H- bonds. 6) Which of the following is the correct ranking of the three bonds and interactions? Select in the order from highest to lowest in terms of their individual strength in a molecule. A) ionic, covalent, hydrophilic B) hydrogen, ionic, covalent C) covalent, ionic, hydrophobic D) ionic, hydrogen, covalent E) covalent, hydrogen, hydrophilic 2
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BIO 311c Exam 1 K. Sathasivan Fall 2007 7) Which of the following is the correct ranking of the three bonds and interactions in order from highest to lowest in terms of their bond strength between two side chains of a protein in their
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This note was uploaded on 04/09/2008 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas.

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BIO311c-Exam1-Fall2007 - BIO 311c Exam 1 K. Sathasivan Fall...

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