Biology - enzymes

Enzymes __ (speed up) reactions
Catalyse
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What are ezymes?
Large protein molecule
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They have an active sit. An active site is where a __ attaches to
Substrate
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The substrate is the molecule that the enzymes...
Breaks down
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Enzymes are specific, meaning... (lock and key)
Substrate must fit perfectly or enzyme wont be able to break it down
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Proteins are broken down by...
Proteases
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Where are these found?
Stomach, pancreas, small intestine
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Proteins are...
Chains of amino acid
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When proteins are digested, the ___ enzyme coverts protein back into individual a__ a__, which are the absorbed into bloodstream
Protease enzyme. Convert to amino acids
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How are new protisn then made?
Amino acids absorbed into cell and bonded in different order to make new protein
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Starch is an example of a ___
Carbohydrate
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Starch is made from a chain of ___
Glucose (sugar)
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What are carbohydrates broken down by?
Carbohydrases
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Starch is a carbohydrate. What specific enzyme breaks up starch?
Amylase
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Where is amylase found?
Saliva, pancrease
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Describe what a lipid is made from
Molecule of glycerol attached to three fatty acids
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Lipids are digested by...
Lipase
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What does this produce? (what its made of)
Glycerol and fatty acids
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Where is lipase found?
Pancreas, small inestine
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Where is bile made and stored?
Made in liver. Stored in gall bladder
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Bile helps to sped up the digestion of __
Lipds
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Is bile an enzyme?
No
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Bile is alkaline, helping it to neutralise...
Stomach acid
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Other cards in this set

Card 2

Front

What are ezymes?

Back

Large protein molecule

Card 3

Front

They have an active sit. An active site is where a __ attaches to

Back

Preview of the front of card 3

Card 4

Front

The substrate is the molecule that the enzymes...

Back

Preview of the front of card 4

Card 5

Front

Enzymes are specific, meaning... (lock and key)

Back

Preview of the front of card 5
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