Project #13463 - Biochemistry

In the Discussion this unit you will concentrate on the different pathways used to breakdown and build necessary molecules for the living system. The goal of cellular metabolism is to produce energy for our cells. Our cells have the ability to “turn on” or “turn off” the production of substances in order to regulate our need for specific end-products such as ATP. This type of control and regulation is evident in glycolysis and cellular respiration. The ability to move forward or go back is dependent upon the abundance or deficiency of the end-product of a pathway. This control helps maintain a steady concentration of ATP in the cell.

For this unit's discussion you will need to respond to the following:

    1. Choose one example of inhibition that is found in either glycolysis or the citric acid cycle.Explain if your example is a process of feedback inhibition or allosteric activation. After evaluating the necessary functions in cellular respiration, you will need to employ a little imagination to suggest a real life situation that parallels the inhibition or regulation you described above.
    2. In addition to its role in catabolism, the citric acid cycle also plays an important role in cellular anabolism, or biosynthetic reactions. Many of the citric acid cycle intermediates are precursors for the synthesis of amino acids and other macromolecules required by the cell.
      a. Describe the biomolecule that you think is most important for the cell and why?
      b. After evaluating the biomolecules used by our bodies for a variety of functions employ your imagination to suggest a real life situation that exemplifies an anabolic reaction.

Subject Science
Due By (Pacific Time) 09/28/2013 02:00 pm
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