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Exam 2 no answers - BSCI 110A/Broadie Midterm Exam#1...

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1 BSCI 110A/Broadie Midterm Exam #1 September 16,2005 Name: SI#: Honor The Vanderbilt Honor Code Read all instructions carefully! 1. Do NOT open the exam until you are told to do so. 2. Write your name and student identification number on every page in the space provided. Check that there are 6 pages (5 test pages + cover). 3. Nothing but your writing tools and test are permitted to be out in open view. No notes or books. 4. Answer all questions as succinctly and clearly as possible. Answers must be written or drawn in the space provided. Do not expand answers on the back of pages. Such extensions will not be graded . 5. You will have 50 minutes to complete the exam: this is 10 mins per page . This should be ample time. However, do not get stalled on any one question! Multiple Choice (40 pts) Drawing (20 pts) Short Answer (40 pts) Total (100 pts)
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2 BSCI 110A/Broadie Midterm Exam #1 Sept 16, 2005 Name: SI#: Multiple Choice : There is a single best answer for each question. Place the letter in the space provided. Each correct answer is worth 2 pts. 40 pts total. ____ The approximate age (in years) of the earth when life first evolved: A. 200 thousand B. 200 million C. 1 billion D. 4 billion E. 8 billion ____ The number of domains classified for life on earth: A. 3 B. 4 C.5 D. 6 E. 8 ____ The number of electrons in a covalent bond: A. 1 B. 2 C.4 D. 6 E. 8 ____ The length of atomic bonds is best measured in the following units: A. microns B. kDa C. mm D. joules E. nm ____ The 3 carbon backbone of a phosopholipid is called: A. glycerol B. cholesterol C. diglyceride
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