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12 Cards in this Set
- Front
- Back
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What are enzymes? |
biological catalysts speed up cell reactions proteins |
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How do enzymes function? |
lowering the activation energy of a reaction |
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substance that an enzyme combines with |
substrate |
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What is enzyme specificity? |
enzymes catalyst one particular substrate or a small number of structurally similar substrates |
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For every 10 C increase in temperature, how does the rate of chemical reaction change? |
doubles |
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What happens when an enzyme becomes denatured? |
loses ability to function |
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How can an enzyme lose its ability to function? |
high temperatures change in pH change in structure |
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What is pH a measure of? |
hydrogen ion concentration |
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What is catalase? |
enzyme found in most cells, liver cells |
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How was the oxygen production measured in the experiments? |
changing pH, temperature, or concentration of enzyme |
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Which enzyme was used in the experiment? |
catalase-beef liver |
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What substrates and products were used in the experiment? |
Products: water and oxygen Substrate- hydrogen peroxide |
