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Role of Proteins (Excess (Cancers: A high intake of animal protein is…
Role of Proteins
Excess
- Cancers: A high intake of animal protein is associated with some cancers.
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Quality
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- The liver can produce non-essential amino acids
- HQ Protein (Animal Foods) supplies all essential amino acids
Digestion
SI
- Pancreatic/Intestinal Proteases: Polypeptides
- Peptidase Enzymes on Membrane Surface: These ferry AA into intestinal cells.
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Stomach
- Hydrochloric acid denatures protein tangled strands and converts inactive pepsinogen to pepsin
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Denaturation
- Proteins can be denatured by heat and acid.
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Metabolism
AA can be used to make:
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- Precursor (Vitamin Niacin)
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- Neurotransmitters (Adrenaline)
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