Lab 5 Enzyme Flashcards by Mirna Galdamez

Q

catalyst

A

An agent that speeds up the rate of a chemical reaction without being consumed during the reaction

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Q

Enzymes

A

Protein catalyst in living cells

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Q

Enzymes

A

Increase the rates of chemical reactions by lowering activation energy

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Q

Active site

A

location in enzyme where reaction takes place

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Q

substrate

A

reactants that bind to activate site

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Q

Enzyme-substrate complex

A

Formed when enzyme and substrate bind

- lock and key metaphor- only the right key (substrate) will fit the lock (enzyme)

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Q

Factors that affect enzyme activity

A

denaturation: change in the shape of enzyme

- temperature and pH changes can denature enzymes

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