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16 Cards in this Set
- Front
- Back
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What is the function of an enzyme? What does it do to make it happen? |
It increases the rate of a reaction; by lowering its activation energy |
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What is the function of the enzyme carbonic anhydrase? |
To interconvert carbon dioxide and water into bicarbonate and H+ |
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What is the name of the small group of reacting molecules that enzymes recognize and bind? |
Substrate |
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What is the name of the region within an enzyme's tertiary structure that's responsible for binding substrates and creating chemical reactions? |
The active site |
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What three interactions can be formed by the amino acid residues present in an enzyme's active site? |
Hydrogen bonds, salt bridges, and hydrophobic interactions |
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What interaction forms between the lactase enzyme and lactose? |
Hydrogen bonds |
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What is the name of the type of enzyme that catalyzes one type of reaction for one substrate? |
Absolute enzymes |
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What does the enzyme urease catalyze? |
The hydrolysis of urea |
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What is the name of the type of enzyme that catalyzes one type of reaction for similar substrates? |
Group enzymes |
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What enzyme adds a phosphate group to hexoses? |
Hexokinase |
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What is the name of the type of enzyme that catalyzes one type of reaction for a specific type of bond? |
Linkage enzymes |
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What is the name of a combination of an enzyme and a substrate? |
An enzyme-substrate (ES) complex |
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What is the purpose of the enzyme-substrate complex? |
To provide an alternate pathway for the reaction with lower activation energy |
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What is the name of the product of catalyzing amino acid R groups within the enzyme's active site? |
The enzyme-product (EP) complex |
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What is the name of a rigid enzyme binding to a rigid substrate? |
A lock-and-key model |
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What is the name of an enzyme with an active site capable of adapting to the shape of an enzyme? |
Induced-fit model |
