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Group members names Directions: Work together with your group to come up with consensus answers to the following questions. You should be able to answer these based on the warmup assignment you completed before coming to class. If you did not complete the warmup assignment, you can still participate in this seminar, but you ll receive only half the points that the rest of your group receves. You l be asked to submit one seminar paper per group. 1) (a) When a phosphate group is added to a molecule, that molecule is said to be (b) When a protein is phosphorylated, it tends to get stuck in the shape its already in or change shape) (a) ATP has ( high or low) potential energy. (b) Based on your answer to part a, you can tell that, when a phosphate group is removed 2) from ATP...circle your answer. i. kinetic energy is generated. ii. kinetic energy is used up. 3) Consider the chemical reaction where ATP is hydrolyzed to remove a phosphate group: ATP → ADP + Pi (a) In this reaction, the (reactant gr the products ) have more potential energy. (b) Based on your answer to part a, you can tell that this is an (endergonic or exergonic) reaction. (c) In this reaction, the (reactant or the products ) have are more stable. (d) In this reaction, the (reactant or the products ) have more ordered. Suppose that an enzymes active site contained all non-polar R groups. Would this encourage 4) or discourage an induced fit with the substrate? Explain your answer.
5) (a) In the schematic below, label the following structures: enzyme, active site, competitive inhibitor, non-competitive inhibitor, regulatory (allosteric) site. Hint: Make sure to take into accoumt the shape of all the molecules ubstrate en zyme (b) Explain what occurs to the enzyme after a non-competitive inhibitor binds.
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