Enzymes Flashcards

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1
Q

What is the enzyme which catalysed the change of starch into glucose?

A

Amylase

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2
Q

What is the enzyme which catalyses the change from fats to fatty acids & glycerol?

A

Lipase

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3
Q

What is the enzyme which catalyses the change from protein to amino acids?

A

Protease

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4
Q

Where is amylase made?

A

Salivary gland & pancreas

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5
Q

Where is lipase made?

A

Pancreas

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6
Q

Where is protease made?

A

Stomach and pancreas

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7
Q

Where does amylase work?

A

Mouth and small intestine

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8
Q

Where does lipase work?

A

Small intestine

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9
Q

Where does protease work?

A

Stomach and small intestine

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10
Q

What happens to an enzyme when it is in too high heat?

A

It denatures and the substrate can no longer fit and then reaction can no longer take place

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11
Q

What acid does the stomach produces?

A

Hydrochloric acid (the enzymes in the stomach work best in acidic conditions)

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12
Q

What does the liver produce and why?

A

Bile. It neutralises the acid which is added to foods in the stomach. This provides alkaline conditions in which enzymes in the small intestine work most effectively

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13
Q

What is the substrate or invertase?

A

Sucrose

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14
Q

What is the product of invertase?

A

Glucose

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15
Q

What is the use of invertase?

A

Makes runny chocolates

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16
Q

What is the substrate of isomerase?

A

Glucose

17
Q

What is the product of isomerase?

A

Fructose

18
Q

What is the use of isomerase?

A

Used in slimming foods / low calorie foods. Very sweet so less sugar is needed

19
Q

Which enzymes are in biological washing powder?

A

Protease, lipase and amylase

20
Q

What’s the substrates of biological washing powder?

A

Protein, fat, starch

21
Q

What is an enzyme?

A

A biological catalyst