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'AP Biology Exam Review

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Deck Created: March 30, 2009
Last Updated: December 10, 2009  by: raining211
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Created by: robertdennison
Joined: 10/02/2008
Flashcards Created: 717
Flashcard Set Questions
22. What are the four types of large molecule...
1. carbohydrates 2. proteins 3. nucleic acids 4. lipids
24. What is a catalyst?
a substance that both decreases the activation energy required for a reaction and increases the rate of the reaction
26. What does the lock and key model of enzym...
that enzyme activation works similarly to the way a key fits into a lock Substrates fit into a specific place on an enzyme called the active site, causing a reaction.
28. What happens when an enzyme undergoes an ...
It changes its shape when the substrates bind to the active site, leading to a better fit between the substrate and the active site of the enzyme.
29. What are the three steps of enzyme cataly...
1. Reactants bind at the active site. 2. The enzyme brings the reaction to the transition state. 3. The enzyme binding ends.
30. Sometimes an enzyme requires other atoms ...
1. metal ions (cofactors) 2. small organic molecules (coenzymes)
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When electrons are lost in an oxidation-reduction reaction, this is called what? oxidation OIL RIG Oxidation Is Loss; Reduction Is Gain
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