Laboratory Exercises: Chemistry of Life
Laboratory Exercises: Chemistry of Life
· On your own and without assistance, complete thisLab 2Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (underSyllabus).
· To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefullybefore completing the exercises/experiments and answering the questions.
· Save your Lab 2Answer Sheet in the following format: LastName_Lab2 (e.g., Smith_Lab2).
· You should submit your document as a Word (.doc or .docx) or Rich Text Format (.rtf) file for best compatibility.
Pre-Lab Questions
1. Nitrogen fixation is a natural process by which inert or unreactive forms of nitrogen are transformed into usable nitrogen. Why is this process important to life? (5 points)
2. Given what you have learned about the hydrogen bonding shared between nucleic acids in DNA, which pair is more stable under increasing heat: adenine and thymine, or cytosine and guanine? Explain why. (5 points)
3. Which of the following is not an organic molecule: Methane (CH4), Fructose(C6H12O6), Rosane (C20H36), or Ammonia (NH3)? How do you know? (5 points)
Laboratory Exercises: Chemistry of Life
· On your own and without assistance, complete thisLab 2Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (underSyllabus).
· To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefullybefore completing the exercises/experiments and answering the questions.
· Save your Lab 2Answer Sheet in the following format: LastName_Lab2 (e.g., Smith_Lab2).
· You should submit your document as a Word (.doc or .docx) or Rich Text Format (.rtf) file for best compatibility.
Pre-Lab Questions
1. Nitrogen fixation is a natural process by which inert or unreactive forms of nitrogen are transformed into usable nitrogen. Why is this process important to life? (5 points)
2. Given what you have learned about the hydrogen bonding shared between nucleic acids in DNA, which pair is more stable under increasing heat: adenine and thymine, or cytosine and guanine? Explain why. (5 points)
3. Which of the following is not an organic molecule: Methane (CH4), Fructose(C6H12O6), Rosane (C20H36), or Ammonia (NH3)? How do you know? (5 points) Laboratory Exercises: Chemistry of Life
