BIOG 1440 Sample Q's .docx

BIOG 1440 Sample Q's .docx - Bio G 1440 Sample Questions...

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Bio G 1440 Sample Questions for Exam 1 The enzyme Rubisco has a substrate binding site for CO 2 which also binds oxygen. If oxygen binds, no net Carbon fixation occurs. There are also regulatory binding sites for CO 2 and Carboxy arabinotol Phosphate (CA1P). (means both CO2 and CA1p) are allosteric regulators 1. In terms of Carbon fixation, Oxygen is an example of a non-competitive inhibitor. (true or false) False , is an example of a competitive inhibitor. This is because no net carbon fixation occurs. 2. CO 2 must be bound to the enzyme at the regulatory site to have any enzyme activity. Therefore, CO 2 is an example of an allosteric regulator. (true or false) True , CO2 is an example of an allosteric regulator because allosteric regulators have 3. If CA1P binds to its regulatory site, The substrate CO 2 is unable to bind to the active form of the enzyme, and no reaction occurs. Therefore, CA1P is an example of an allosteric regulator. (true or false) True , because allosteric regulators can either
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