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NS102-200901-ProblemSet-14 - used to store energy(c ADP...

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NS102 Study Problems Set 14 The set contains study problems and exam questions from the previous semesters on ATP, Cellular Work and Enzymes. 1. (Exam Archive) The structure of an ATP molecule is shown on the right. (a) For the purposes of generating energy for the cell, which bond is broken, A, B, C or D? (b) What is different between this bond and the other bonds shown? (c) What is the name of the molecule that is generated when this bond is broken? (d) If there were an enzyme in the cell that generated deoxyATP from this ATP, which bond would that break? Answer : (a) A (b) The energy of this bond is higher than the other bonds and it is
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Unformatted text preview: used to store energy (c) ADP Adenosine diphosphate (d) C 2. (Exam Archive) You design an enzyme that converts ATP (adenosine triphosphate) to GTP (guanosine triphosphate). Which bond will this enzyme break, A, B, C, or D? Why? Answer: Bond D because the only difference between ATP and GTP is the base. 3. The diagram on the right shows how rate of a biological process changes with temperature in the presence of an enzyme. What is the optimum temperature for this enzyme to be useful as a catalyst? What happens when the temperature increases above 50 °C? B A C D B A B C D...
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