PROTEINS.

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Presentation transcript:

PROTEINS

Elements that make up proteins

MONOMERS (Building blocks) Amino Acids (AA) 20 types

DNA DETERMINES THE ORDER AND NUMBER OF AA’S THAT MAKE UP EACH PROTEIN!

GROUPS Structural- Make structures in organisms Functional Do stuff in organisms

FUNCTIONS Structural: 1. BUILDS CELLS for STRUCTURES IN ORGANISMS The three following are functional: 1. Antibodies-HELP WITH IMMUNITY 2. HORMONES-regulate body systems 3. ENZYMES- speed up chemical reactions.

EXAMPLES Structural Keratin (hair, skin nails) Collagen (skin, cartilage, tendons, bones, ligaments) Elastin (skin, internal organs) Functional Hormones (estrogen, testosterone, adrenaline Enzymes (lipase, lactase) Antibodies

UNIQUE CHARACTERISTICS AMINO ACIDS ARE HELD TOGETHER BY A SPECIAL BOND CALLED A PEPTIDE BOND AMINO ACIDS HAVE 5 PARTS R-GROUP IS THE PART THAT DISTINGUISHES THEM FROM OTHER AMINO ACIDS

How it gets into our bodies meat poultry fish dairy eggs legumes nuts

WORK ON PROTEIN INQUIRY WS WHEN YOU FINISH YOUR QUIZ!