Enzymes Flashcards

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1
Q

what type of structure does enzymes have

A

tertiary

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2
Q

what are enzymes

A

tertiary structure protein which catalyse reaction

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3
Q

which part of the enzyme catalyses a reaction

A

the active site

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4
Q

what makes the active site unique and specific in shape

A

the specific folding of its tertiary structure > so only substrates which are complementary in shape can attach

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5
Q

what is the activation energy

A

the minimum amount of energy required for a reaction to take place

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6
Q

what are the two models for enzyme action

A

lock and key model
induced fit

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7
Q

outline lock and key model

A
  • enzyme is like a lock and substrate is like a key
  • enzyme active site is a fixed shape
  • random collisions cause substrate to attach to the enzyme forming an enzyme-substrate complex
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