Protein Secretion

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Also vital component in cell and sub-cellular membranes

Slide 14

Slide 15

Hormones

Chemical messengers

Globular protein

Exert a specific effect on tissues

Slide 16

Antibodies

Y-shaped globular proteins

Made by lymphocytes

Defend body against antigens

Slide 17

Conjugated proteins

Globular protein associated with a non-protein chemical

Glycoprotein

-protein and carbohydrate

-mucus

Slide 18

Haemoglobin

Oxygen-transporting pigment in blood

Conjugated protein

-globular protein globin

-haem (non-protein containing iron)

Slide 19