BIBC 120 Study Guide - Comprehensive Final Exam Guide - Protein, Small Intestine, Liver

• School: UCSD
• Department: Biology/Biochemistry
• Course: BIBC 120
• Professor: Coleman

Document Summary

Bibc 120 week 1 lecture 1 notes (1/8/17): Nutrient: needed for energy or for synthesis and/or function of biomolecules: carbohydrates, proteins, minerals, vitamins. Essential nutrient: cannot be synthesized in body, must be consumed in diet (i. e. phenylalanine, omega 3 and 6) Non-essential: can be synthesized in body (i. e. tyrosine) Under certain circumstances, synthesis of a non-essential nutrient may not be adequate, conditionally essential nutrient. People sufferi(cid:374)g fro(cid:373) pku do(cid:374)"t ha(cid:448)e e(cid:374)z(cid:455)(cid:373)e phe(cid:374)(cid:455)lala(cid:374)i(cid:374)e h(cid:455)dro(cid:454)(cid:455)lase so the(cid:455) (cid:272)a(cid:374)"t (cid:272)o(cid:374)(cid:448)ert phe(cid:374)(cid:455)lala(cid:374)i(cid:374)e tyrosine (so tyrosine is a essential nutrient now) Macronutrients: make up the bulk of the diet, needed in quantities of greater than 1 gram per day; protein, carbohydrates, lipids (and water) Micronutrients: needed in quantities less than a few milligrams per day; minerals, vitamins (cofactors) Phytochemicals and zoonutrients: their consumption may* confer some health benefits, but they are not considered nutrients (i. e. resveratrol found in red wine; in humans no health (cid:271)e(cid:374)efits fou(cid:374)d, did(cid:374)"t de(cid:272)rease (cid:272)a(cid:374)(cid:272)er risk)