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AS Level Biology > Proteins > Flashcards

Proteins Flashcards

(15 cards)

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1
Q

What are proteins made up of?

A

Amino acids

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2
Q

Name the two groups in amino acids

A

Amino group (NH2)
Carboxyl group (COOH)

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3
Q

What makes each amino acid different?

A

Their R group

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4
Q

What type of bond are amino acids joined together by?

A

Peptide bond

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5
Q

What is the name of the reaction that forms amino acids?

A

Condensation reaction

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6
Q

What would you call 3 or more amino acids joined together?

A

Polypeptide

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7
Q

What is the structure of a protein determined by?

A

The position of amino acid and its R group

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8
Q

What is a primary structure of a protein?

A

The order and number of amino acids

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9
Q

What is a secondary structure of a protein?

A

The shape of the chain of amino acids formed

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10
Q

What are the two types of secondary structure of proteins?

A

Alpha helix and Beta pleated sheet

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11
Q

What is a tertiary structure of protein?

A

3D shape of the protein

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12
Q

What are the two types of tertiary structure?

A

Globular (compact) and fibrous (long fibres)

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13
Q

What are the 3 types of bonds you see in the tertiary structure of a protein?

A

Disulfide bridges, Ionic bonds,
H bonds

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14
Q

What are disulfide bridges?

A

Interaction between sulfur in the R group of amino acid cysteine

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15
Q
A
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AS Level Biology (2 decks)

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