Enzymes Flashcards

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1
Q

Living organisms use thousands of different enzymes to

A

Drive consecutive series of chemical reactions

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2
Q

Series of chemical reactions known as _ which maintain life

A

Metabolic pathways

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3
Q

All enzymes are based on _ molecules

A

Protein

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4
Q

Function of each type of enzyme depends on _

A

Shape of molecule

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5
Q

All enzymes work through a mechanism called the _ model

A

Lock-and-key

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6
Q

Each enzyme able to handle specific set of raw materials known as a _

A

Substrate

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7
Q

Enzyme protein is lock because contains zone called _

A

Active site

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8
Q

Active site shaped in a way which allows molecules of substrate (key) to _

A

Bind to it

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9
Q

When substrate molecules link to active site, _ is triggered

A

Chemical reaction

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10
Q

Chemical reaction alters _ of the substance

A

Chemical properties

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11
Q

Anabolic enzymes convert two _ into _

A

Substrate chemicals

Single product

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12
Q

_ enzyme break a single substrate chemical into multiple products

A

Catabolic

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13
Q

Active site is specific to

A

Particular substrate

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14
Q

When inserted, substrate molecules form _ triggering chemical reaction

A

Temporary links with enzyme

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15
Q

After substrate released, active site is _

A

Ready to receive new substrate

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16
Q

Optimal enzyme performance in humans around _ Fahrenheit

A

99

17
Q

At temp higher than _ enzyme structure denatures

A

131

18
Q

Denature alters _ and enzyme stops working

A

Active site

19
Q

Each type of nutrient is handled by its own set of _

A

Digestive enzymes

20
Q

Digestive enzymes are secreted by different parts of _

A

Digestive tract

21
Q

Enzyme digestive secretions are _ that mix with food

A

Digestive juices

22
Q

_ break down complex carbs such as starch

A

Carbohydrases

23
Q

Fats and oils known as lipids digested by _ in small intestines

A

Lipase

24
Q

_ breaks protein into amino acids

A

Protease

25
Q

Enzymes in certain bacteria are able to digest certain plastics into _

A

Harmless products

26
Q

Biological laundry products use enzymes to remove _ from dirty fabrics

A

Organic material

27
Q

_ are used to make some cheese

A

Stomach enzymes that convert milk into a digestible solid