BIOCHEMISTRY REVIEW Overview of Biomolecules Chapter 6 Enzymes.
1 6 10 Enzymes, Day 3
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Transcript of 1 6 10 Enzymes, Day 3
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LAUNCH
• Guess whether the following household items are acidic or basic and predict what their actual pH is.
• 1. Clorox Bleach• 2. Lemon Juice• 3. Mouthwash• 4. Vinegar• 5. Ammonia• 6. Baking Soda
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Answer
• Clorox Bleach, 12.6
STRONG BASE!
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Answer
• Lemon Juice, 2.3
• STRONG ACID!!!
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Answer
• Mouthwash, 4.1
• Weak acid
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Answer
• Vinegar, 3
• Strong Acid
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Answer
• Ammonia, 10
• Strong Base!!!
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Answer
• Baking Soda, 8.4
• Weak Base
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Enzymes, Day 3
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Enzymes are proteins
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• Changing the pH or temperature of the enzyme is the best way to stop it
• If we effect an enzyme so that it doesn’t work, what happens to the chemical reaction?– A. It speeds up– B. It slows down– C. It stops– D. Nothing happens to the reaction
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What happens when it gets hot?
Just like a plastic tape dispenser can’t work when it is melted, enzymes can’t work if they get too hot and are “melted”
• We call this “denatured”
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