UMUC Biology 102/103 – The Chemistry of Life

Your Full Name:UMUC Biology 102/103Lab 2: The Chemistry of LifePre-Lab Questions1. Nitrogen fixation is a natural process by which inert or unreactive forms of nitrogen aretransformed into usable nitrogen. Why is this process important to life?2. Given what you have learned about the hydrogen bonding shared between nucleic acids inDNA, which pair is more stable under increasing heat: adenine and thymine, or cytosine andguanine? Explain why.© eScience Labs, LLC 20143. Which of the following is not an organic molecule; Methane (CH4), Fructose (C6H12O6),Rosane (C20H36), or Ammonia (NH3)? How do you know?© eScience Labs, LLC 2014

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