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protein

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Mind Map on protein, created by ciarahughes09 on 19/11/2013.
ciarahughes09
Mind Map by ciarahughes09, updated more than 1 year ago
ciarahughes09
Created by ciarahughes09 about 11 years ago
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Resource summary

protein
  1. composition
    1. carbon , hydrogen, oxegon,nitrogen
      1. small amountof sulphur phosphurus and iron
        1. nitrogen needed for growth
          1. esentiall amino acids
            1. peptide links
              1. polypeptide chain
              2. essential and non essential amino acids
                1. essential
                  1. cannot be made in body-in diet
                    1. threonine methionine tryptophan isoleucine lyseine leucine valine phenylaline
                  2. non essential
                    1. made in body
                      1. glycine serine proline alanine
                  3. peptide link/bond
                    1. join with loss of water molecule (condensation reaction)
                      1. COOH loses OH
                        1. NH2 loses H
                          1. conh
                        2. structure
                          1. primary
                            1. sequence/order
                            2. secondary
                              1. polypeptide chain
                                1. cross link
                                2. tertiary
                                  1. globular
                                    1. globe shape
                                    2. fibouros
                                      1. straight spiral or zigzagged
                                  2. classification
                                    1. simple
                                      1. animal-fiboruos-collagen globular-albumin
                                      2. plant
                                        1. glutelins-insoluble) gluetin - prolamines(insoluble water,soluble alcohal)gladin-wheat
                                        2. 2plant
                                          1. lipoprotein
                                            1. phosoprotein
                                          2. protein in food
                                            1. meat fibres-albumin
                                              1. fish-collagen
                                                1. cheese-caesin
                                                  1. eggs-albumin
                                                  2. source
                                                    1. animal-cheese,chicken,meat,fish
                                                      1. plant-nuts,lentils,peas,beans
                                                      2. properties
                                                        1. denaturation
                                                          1. solubility
                                                            1. malliard
                                                              1. elasticity
                                                              2. biological function
                                                                1. structral protein-cell membrane,muscle+skin
                                                                  1. physiologically active
                                                                    1. hormones,enzymes,antibodies,nucleoprotein
                                                                    2. nutrient protein
                                                                      1. essential amino acids
                                                                        1. energy
                                                                      2. deamination
                                                                        1. using as energy
                                                                          1. not used for growth stored in liver
                                                                            1. NH2 combined with urea-excreted
                                                                              1. COOH-heat and energy
                                                                              2. biological value of protein
                                                                                1. HBV
                                                                                  1. all essential amino acids
                                                                                    1. complete protein
                                                                                      1. eggs milk
                                                                                      2. LBV
                                                                                        1. incomplete protein
                                                                                          1. some amino acids
                                                                                        2. digestion
                                                                                          1. mouth-chewed
                                                                                            1. stomach-hydrochloric acid denatures
                                                                                              1. rennin converts casein to caesinogen
                                                                                                1. pepsin converts peptines to peptones
                                                                                                2. small intestine-trypsin-peptones to peptides
                                                                                                  1. peptidise-peptides to amino acids
                                                                                                3. absorption/utiisation
                                                                                                  1. wall of villi into bloodstream
                                                                                                    1. maintain liver cells
                                                                                                      1. deaminated
                                                                                                        1. sent into bloodstream-form new cells hormones antibodies etc

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