Enzymes Flashcards

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1
Q

What are enzymes?

A

Proteins necessary for survival
Biological catalyst

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2
Q

What are two types of enzymes?

A
  • Intracellular (inside cells, metabolic reactions)
  • Extracellular (outside cells eg. digestion)
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3
Q

What is an active site?

A

Where the substrate attach’s to the enzymes surface

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4
Q

What is the lock and key model?

A

The substrate molecule is an exact fit to the enzymes active site

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5
Q

What is the induced fit model?

A

The substrate has no fixed shape and changes to fit into the active site

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6
Q

What is a humans ideal temperature?

A

37*C

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7
Q

What happens if an enzymes temperature increases?

A

An increased rate of reaction due to more collisions
if the temp is too high the active sight will denature

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8
Q

What if the enzyme temp is too low?

A

The active sight does not denature but activity does slow down

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