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Biology > Quiz 6 - Enzymes and pH - Nov 22 > Flashcards

Quiz 6 - Enzymes and pH - Nov 22 Flashcards

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1
Q

What type of macromolecule is an enzyme?

A

protein

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2
Q

What does an enzyme act as in the body?

A

Catalyst

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3
Q

What does a catalyst do?

A

Speed ups chemical reactions

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4
Q

What is a special characteristic of enzymes?

A

They’re reusable

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5
Q

What is the term that means they can only fit one substrate?

A

substrate specific

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6
Q

Are all catalysts enzymes?

A

no

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7
Q

Are all enzymes catalysts?

A

yes

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8
Q

What is the ending of an enzyme to it’s substrate?

A

-ase, -ose

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9
Q

What are the two things an enzyme does?

A

digestion and synthesis

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10
Q

How do enzymes work?

A

they weaken the chemical bond of the substrate and lowers the activation energy needed to do the chemical reaction

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11
Q

Synonyms of substrate

A

reactant and input

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12
Q

Synonyms of products

A

output and result

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13
Q

What is the enzyme-substrate complex the same as?

A

the lock and key example

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14
Q

Lock:Key is the same as….

A

Enzyme:Substrate

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15
Q

What is the induced fit model?

A

A change in the active site to fit the substrate

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16
Q

What are the factors of what affects an enzyme?

A

environmental (pH and temp)
cofactors and coenzymes
enzyme inhibitors
concentration of substrate

17
Q

What does heating up an enzyme for to it?

A

denatures the enzyme

18
Q

What does pH stand for?

A

potential of hydrogen

19
Q

What is the range of the pH scale?

A

0-14

20
Q

What is considered acidic?

A

0-6

21
Q

What is considered basic?

A

8-14

22
Q

What are sometimes needed for proper enymatic activity?

A

inorganic substances (zinc and iron)

23
Q

Example of a cofactor

A

iron to help with hemoglobin

24
Q

Two types of enzyme inhibitors

A

competitive and noncompetitive

25
Q

What is a competitive inhibitor?

A

blocks the active site

26
Q

What is a noncompetitive inhibitor?

A

enters next to the active site, makes the active site change space

Biology (5 decks)

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