Proteins AS

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what are proteins made of?
Amino Acids
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what are the four bonds the carbon has
Bonded to a hydrogen, carboxylic group, r group, amino group
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What bonds join amino acids together?
Peptide
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In what reaction are these bonds formed?
Condensation
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What is the primary structure?
The number and order of amino acids held together by covalent bonds
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What is the secondary structure?
Hydrogen bonds form between amino acids causing a coiled alpha helix or folded beta sheet
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What is tertiary structure?
It's the 3d shape held together by hydrogen bonds between the r groups
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Two types of tertiary structure
Globular-tightly folded chains Fibrous-parallel polypeptide chains
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What is quaternary structure?
More than one polypeptide chain joined together
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What holds tertiary structure together?
Ionic bonds, hydrogen bonds, disulphide bridges and hydrophobic interactions
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What is the biuret test?
adding sodium hydroxide solution then addingcopper sulfate soution. Blue to purple
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Card 2

Front

what are the four bonds the carbon has

Back

Bonded to a hydrogen, carboxylic group, r group, amino group

Card 3

Front

What bonds join amino acids together?

Back

Preview of the front of card 3

Card 4

Front

In what reaction are these bonds formed?

Back

Preview of the front of card 4

Card 5

Front

What is the primary structure?

Back

Preview of the front of card 5
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