Enzyme kinetics Flashcards

1
Q

Why does Km not change during non-competitive inhibition?

A

Active site is not competed for by he inhibitor

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2
Q

How do you calculate Kcat?

A

Vmax/Enzymeconc = Kcat

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3
Q

What is the kcat constant?

A

The number of substrates an enzyme can process per unit time

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4
Q

What would the lineweaver-burk plot for a competitively inhibited enzyme look like?

A
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5
Q

What would the lineweaver-burk plot for a non-competitively inhibited enzyme look like?

A
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6
Q

In competitive inhibition, what happens to Km and Vmax?

A

Km increases
Vmax stays the same

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7
Q

What is the beer-lambert law?

A
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8
Q

In non-competitive inhibition, what happens to Km and Vmax?

A

Km stays same
Vmax decreases

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9
Q

What does the x-intercept on a lineweaver-burk plot represent?

A
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10
Q

What does the y-intercept on a lineweaver-burk plot represent?

A
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11
Q

What does a lineweaver-burk plot slope represent?

A
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12
Q

What does Km represent?

A

The concentration of a substrate where the enzyme reaction velocity is exactly 50%

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