chapter6 - Protein: Amino Acids Chapter 6 Whitney &...

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Whitney th Protein: Amino Acids Protein: Amino Acids Chapter 6
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins Atoms Carbon, hydrogen, oxygen, nitrogen Amino acids Carbon Hydrogen Amino group Acid group Side group or side chain
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins More complex than carbohydrates or fats Twenty amino acids Different characteristics Essential amino acids Nonessential amino acids Conditionally essential
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins Proteins Peptide bonds link amino acids Condensation reactions Amino acid sequencing Primary structure – chemical bonds Secondary structure – electrical attractions Quaternary structure – two or more polypeptides
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins
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Whitney th Edition The Chemist’s View of  The Chemist’s View of  Proteins Proteins Protein Denaturation Disruption of stability Uncoil and lose shape Stomach acid
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Whitney th Edition Protein Digestion Protein Digestion Mouth Stomach Hydrochloric acid denatures proteins Pepsinogen to pepsin Small intestine Hydrolysis reactions Peptidase enzymes
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Whitney th Edition Protein Digestion Protein Digestion
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Whitney th Edition Protein Absorption Protein Absorption Transport into intestinal cells Uses of amino acids by intestinal cells Unused amino acids transported to liver Enzyme digestion Predigested proteins
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Whitney th Edition Protein Synthesis Protein Synthesis Uniqueness of each person Amino acid sequences of proteins Genes – DNA Diet Adequate protein Essential amino acids
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Whitney th Edition
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Whitney th Edition Protein Synthesis Protein Synthesis DNA template to make mRNA Transcription mRNA carries code to ribosome Ribosomes are protein factories mRNA specifies sequence of amino acids Translation tRNA Sequencing errors
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th Edition Protein Synthesis Protein Synthesis
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chapter6 - Protein: Amino Acids Chapter 6 Whitney &...

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