4.1 Study Guide Flashcards

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1
Q

Substrate

A

The reactants in a chemical reaction

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2
Q

Enzyme

A

Speeds up a chemical reaction

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3
Q

Active Site

A

Where the substrate and enzyme come together.

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4
Q

Activation Energy

A

How much energy a reaction needs to take place

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5
Q

What is the relationship between reaction rate and substrate concentration?

A

The substrate concentration and reaction rate rise together and fall together, they are best the graph looks like an upside-down u.

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6
Q

What is the relationship between reaction rate and Enzyme Concentration?

A

The Enzyme concentration and reaction rate rise together and fall together, they are best the graph looks like an upside-down u.

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7
Q

What is the relationship between reaction rate and Temperature?

A

The optimal temperature for reaction rate is around 40 degrees because it is the most neutral.

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8
Q

What is the relationship between reaction rate and pH?

A

The optimal pH for reaction rate is 7 because it is neutral and not too acidic or basic.

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9
Q

What does an inhibitor do to an activation site.

A

When an inhibitor is present, the activation site gets changed so that it isn’t possible to bind with a substrate.

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10
Q

What happens to Enzyme rates when you change various conditions?

A

When various conditions are changed, they will increase until they get to their optimal point and then will begin to decrease.

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