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Past Exam for BIO 101 - Biochemistry I with LiWang at UC-Merced (UC Merced)

Exam Information

Material Type:Mid-Term
Professor:LiWang
Class:BIO 101 - Biochemistry I
Subject:Biological Sciences
University:University of California-Merced
Term:Fall Semester 2009
Keywords:
  • Electrostatic Interactions
  • Spontaneous
  • Provided That
  • pH of Blood
  • Water Solubility
  • Neither...nor
  • Spontaneity
  • Hydrophobic
  • Interaction
  • Spontaneous Process
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Sample Document Text

BIO 101 Exam #1  100 points total, 34 questions  10/06/08    Name (Last, First):_____________________, ___________________  Each question has only one correct answer. Use the back pages of your exam to work out  problems, but please do not separate the pages of the exam. Note that the last page of the  exam has important equations and constants. The first problem is worth 1 point. The remaining  problems are worth 3 points each.    1. Evidence suggests that life on earth began at least  A. 3.5 quadrillion years ago  B. 3.5 trillion years ago  C. 3.5 billion years ago  D. 3.5 million years ago  E. 3.5 thousand years ago    2. How many Daltons in one gram?  A. 6 × 10 23   B. 1/12  C. 6 × 10 -23   D. 1/(6 × 10 23 )  E. None of the above.    3. The Second Law of Thermodynamics states that the entropy of a system and its  surroundings always increases. Thus, the entropy of a reaction can only increase and never  decrease.  A. True  B. False  C. Both A and B  D. Neither A nor B  ...

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