NSD 225 Lecture Notes - Lecture 6: Extracellular Fluid, Cardiovascular Disease, Osteoporosis

• School: Syracuse University
• Department: Nutrition Science & Dietetics
• Course: NSD 225
• Professor: Donna Acox

Document Summary

Major component of all plant and animal issues. Provide energy and help keep skin, hair, and nails healthy. Excess protein intake a greater problem in the u. s. Amino acids are the building blocks of proteins. Proteins are sequences of amino acids (aa) 20 different amino acids: 9 essential amino acids. Must get them through diet: 11 nonessential amino acids. Do not need to be supplied by diet. If body cannot make them, categorized as conditionally essential amino acids. Amino acid structure: one central carbon atom, one hydrogen atom (h, one carboxylic acid group (-cooh, one amino group (-nh2, one side group unique to each amino acid. Side group gives the amino acid its identity. Amino acid sequence: each amino acid is joined to the next by a peptide bond, peptide bonds. Protein shape: sequence and properties of aa determines protein shape, shape deter(cid:373)i(cid:374)es protei(cid:374)"s fu(cid:374)(cid:272)tio(cid:374) Protein unfolds and loses its shape (denature)