enzymes Flashcards

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1
Q

what is an enzyme?

A

proteins that help speed up metabolism, or the chemical reactions in our bodies

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2
Q

what is a chemical reaction

A

breaking and creating of bonds between diffrent substances

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3
Q

what is activation energy

A

energy needed too start chemical reaction
-ex. pushing a rock up hill for it to fall on its own down

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4
Q

what are reactants

A

substance CHANGED during chemical reaction

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5
Q

what is the product

A

what we get out of it

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6
Q

enzymes are _____ meaning they _________ reactions by reducing activation energy requiared to start the reaction

A

catalysts, speed up

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7
Q

what is the first step Enzymes create the right conditions for a reaction to occur

A

reactant ( called a substrate) binds to a special part of the enzyme called an ACTIVE SITE

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8
Q

what is the 2nd step Enzymes create the right conditions for a reaction to occur

A

reaction takes place ( making or breaking bond)

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9
Q

what is the 3rd step Enzymes create the right conditions for a reaction to occur

A

product realsed from the enzyme + reamins unchanged

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10
Q

T or F: enzymes have a unique structure that only fits 1 substance

A

true
- they fit toghter like a key and a locke
- enzyme shape is essintiol to its functiojn

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11
Q

what is denatruation

A

when the enviormental condtioions cause enzyme to lose its shape and no longer work.

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12
Q

what are the 4 ways to change rate of reaction

A
  • temparture : will increase or decrease rate of reaction
  • pH levels : how acidic or basic solution is
  • reactant concentration : increase amount, rate of reaction increases
  • catalysts : like enzyems speed up rate of reation
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13
Q
A
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