Proteins
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Proteins PowerPoint PPT Presentation


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Proteins. Examples. Enzymes (amylase). Hemoglobin. Insulin. Keratin. Monomers = Amino Acids ( aa ). Structure: amino group carboxyl group (acid) R group (side chain) - determines the aa (20 essential to life). Polymer = Protein ( Polypeptide). Protein structure is based on the

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Proteins

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Proteins

Proteins


Examples

Examples

Enzymes (amylase)

Hemoglobin

Insulin

Keratin


Monomers amino acids aa

Monomers = Amino Acids (aa)

  • Structure:

  • amino group

  • carboxyl group (acid)

  • R group (side chain) - determines the aa (20 essential to life)


Polymer protein polypeptide

Polymer = Protein (Polypeptide)


Proteins

Protein

structure is

based on the

sequence of

amino acids.


Functions

Functions

  • Transport - hemoglobin

  • Muscle Movement - actin and myosin

  • Chromosome movement - spindle fibers

  • Support – skin, bone

  • Defense – antibodies

  • Structural – hair, nails

  • Hormones – testosterone, adrenalin

  • Enzymes


Hydrolysis

Hydrolysis

  • Adding H20 to break a covalent bond

  • Splits polymers into monomers


Dehydration synthesis

Dehydration Synthesis

  • Removing H20 to form a covalent bond

  • Builds polymers from monomers


Formation of a peptide bond

Formation of a Peptide bond

  • What type of reaction is this?


Protein folding

Protein Folding


Enzyme activity

Enzyme Activity

  • Enzyme Structure

  • Hydrolysis of Sucrose


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