Ch 15-17 ITAS || Already Passed.

What are the six classes of nutrients. correct answers Water Carbohydrates Fat Proteins Vitamins Minerals What is a function of water and what feeds are good sources for it? correct answers Function: medium for substance transportation, chemical reactions, temperature regulation, excretion of wastes. Sources: moist feeds, water What is a function of carbohydrates and what feeds are good sources for it? correct answers Function: energy. Sources: cellulose, plant cells What is a function of protein and what feeds are good sources for it? correct answers Function: all parts of body contain protein, structural proteins, metabolically active proteins Sources: animal and plant sources What is a function of fats and what feeds are good sources for it? correct answers Function: stores energy, protects organs/vessels, essential fatty acids. Sources: oils, What is a function of vitamins and what feeds are good sources for it? correct answers Function: enzyme function. Sources: diet, biosynthesis, microbes in rumen What is a function of minerals and what feeds are good sources for it? correct answers Function: body structure, aids proteins in activities, maintains osmotic pressure, acid/base balance. Sources: hormones What is meant by dietarily essential or nonessential amino acids? How is the amino acid content of a protein related to its quality? correct answers Essential - provided by dietary means. Nonessential - required by the animal, can be synthesized by the animal. The proteins are made up of amino acids so the profile of the amino acids will determine the quality. Know the macrominerals and where they are found in the body. Be able to list microminerals especially those that are deficient in Michigan soils. correct answers Macrominerals - Ca, P, Mg - Skeleton. Na, Cl, K are electrolytes. S found in essentially all proteins. Microminerals - Fe(iron), Cu (copper), Lacking in Michigan - I(iodine), Se(selenium)