P p proteins wnotes #6
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Transcript of P p proteins wnotes #6
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General Biology - Biochemistry
ProteinsProteins
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Proteins
• Building Blocks of living things
• Contain C, H, O
• and Nitrogen (N)
• Built from monomers called
• AMINO ACIDS
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All amino acids have: • 1. A Carboxyl group
• 2. An amino group
• 3. “R” group This is a carbon chain that distinguishes one amino acid from another
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How to build a protein…
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What would we call two amino acids together?
What would we call many amino acids together?
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Two types of Proteins
STRUCTURAL PROTEINS
Muscles
Collagen
Keratin
Membranes
FUNCTIONAL PROTEINS
Enzymes
Hormones
Antibodies
Hemoglobin
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Food Sources of Protein
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Structural Protein:
Collagen
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keratin
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fiberon
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Functional proteins:
enzymes
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how many different in proteins in the world?
• How many letters in the alphabet?
• How many words can you build?
• How many amino acids?
• How many proteins?
• Smallest proteins = about 500 amino acids
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Soooooo……
• What are the building blocks of living things?
• What are the building blocks of proteins?
• What are the two types of proteins?
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On to Nucleic Acids
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Nucleic Acids
• Huge macromolecules• Information transfer • Contain C, H, O, N, Phosphorous• Made of monomers called
nucleotides • Examples include • DNA (deoxyribonucleic acid)• RNA (ribonucleic acid)
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We will cover in depth in Genetics Unit not now
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Phosphate
group
5 carbon
Deoxyribose sugar
Bases
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Organic molecules
• Carbohydrates – energy –structure – glucose-mon,di, poly
• Lipids – energy –structure-fatty acids/glycerol – triglyc, phosp
• Proteins-structure – function – amino acids- polypeptides
• Nucleic Acids – information-nucleic acids- DNA, RNA