Nitrogen Fixation Is A Natural Process By Which Inert Or Unreactive Forms Of Nitrogen Are Transformed Into Usable Nitrogen Assignment Help

1.  Nitrogen fixation is a natural process by which inert orunreactive forms of nitrogen are transformed into usable nitrogen. Why is thisprocess important to life?

2.  Given what you have learned about the hydrogen bondingshared between nucleic acids in DNA, which pair is more stable under increasingheat: adenine and thymine, or cytosine and guanine? Explain why.

3. Which of the following isnot an organic molecule; Methane (CH4), Fructose (C6H12O6),Rosane (C20H36), or Ammonia (NH3)? How do youknow?

1.  Write a statement to explain the molecular composition ofthe unknown solution based on the results obtained during testing with eachreagent.

2.  How did your a priori predictions from Table 1 compare toyour actual results in Table 2? If there were any inconsistencies, explain whythis occurred.

3.  Identify the positive and negative controls used in thisexperiment. Explain how each of these controls are used, and why they arenecessary to validate the experimental results.

4.  Identify two regions which proteins are vital components inthe human body. Why are they important to these regions?

5.  Diet and nutrition are closely linked to the study ofbiomolecules. Describe one method by which you could monitor your food intaketo ensure the cells in your body have the materials necessary to function.

1.  What can you conclude about the molecular make-up ofpotatoes and onions based on the two tests you performed? Why might these foodscontain these substance(s)?

2.  What results would you expect if you tested ribose, amonosaccharide, with Benedict’s solution? Biuret solution?

1.  What is the purpose of determining the pH of the aceticacid and the sodium bicarbonate solution before testing the other householdsubstances?

2.  Compare and contrast acids and bases in terms of their H+ion and OH- ion concentrations.

3.  Name two acids and two bases you often use.

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