35 Amino acids are joined in a protein by the formation of a peptide bond + H 3 N C C N C C O - + H 2 O H R 1 H R 2 O O H + H 3 N C C O - + + H 3 N C C O-H R 1 H R 2 O O Peptide (amide) bond Dipeptide â contains two amino acid residues planar. 36 20 amino acids can form 20 2 or 400 dipeptides.
Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca 5 (PO 4) 3 (OH), but is usually written Ca 10 (PO 4) 6 (OH) 2 to denote that the crystal unit cell comprises two entities.Hydroxylapatite is the hydroxyl endmember of the complex apatite group.The OH â ion can be replaced by fluoride, chloride or carbonate, producing fluorapatite or chlorapatite. It crystallizes in the hexagonal crystal system.ydroxylapatite is the hydroxyl endmember of the complex apatite group. The OH â ion can be replaced by fluoride, chloride or carbonate, producing fluorapatite or chlorapatite. It crystallizes in the hexagonal crystal system.
Golden (yellow) apatite is often thought of as a secondary type of apatite in general mystically, but is adds power in the solar plexus chakra and related energies. Apatite is a stone that mystically can stimulate the thoughts and ideas.It is used, often in conjunction with meditation, to increase intellect, imagination, and intuitive and psychic awareness. It is said to help you maintain focus, learn, concentrate effectively, think clearly, and communicate better.olden (yellow) apatite is often thought of as a secondary type of apatite in general mystically, but is adds power in the solar plexus chakra and related energies. Apatite is a stone that mystically can stimulate the thoughts and ideas.