Anatomy and Physiology Chapter #2. 2.1 Introduction. Chemistry is the branch of science that considers the composition of matter and how this composition changes.
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Lipids made of C,H,O but in different amounts
13. Aspartic acid
(NOTE: the 8 essential amino acids are in red. These cannot be synthesized by the human body and must be obtained from food. Arginine and histidine are essential only for children.)
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Deoxyribonucleic acid: DNA (deoxyribonucleic acid) stores the molecular code in genes.
Ribonucleic acid: RNA (ribonucleic acid) functions in protein synthesis.