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3. Proteins Monomer = Amino acids Globular in shape Or Spherical.

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Presentation on theme: "3. Proteins Monomer = Amino acids Globular in shape Or Spherical."— Presentation transcript:

1 3. Proteins Monomer = Amino acids Globular in shape Or Spherical

2 Amino acid structure R = Remainder group Amine Group Carboxylic acid

3 R groups

4

5 Dehydration or Hydrolysis?
Primary structure (1˚) Polypeptide chain made from dehydration reaction Dehydration or Hydrolysis?

6 Your turn! (pg. 37 ) Write down dehydration reactions for the following: Alanine + Valine Cysteine + Phenylalanine Leucine + Threonine Isoleucine + Glycine

7 Answers

8 Answers contd…

9 Secondary structure (2˚)
Result of HYDROGEN BONDS Alpha helix Beta pleated (folded) sheet

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