study set | Questions and Answers
Essential amino acids - ANSW-not synthesized in the body, must come from the diet
# of bond for proteins - ANSW-dipeptides: 2
tripeptides: 3
oligopeptides: 4-9
polypeptides: 10 or more
Protein organization - ANSW-Order of amino acids in a protein determines its ultimate shape
Protein's final shape determines its function in the body
protein denaturation - ANSW-Alteration of a protein's three dimensional structure because of treatment
by heat, enzymes, acid, alkaline solutions, and agitation
hormone gastrin - ANSW-Thinking of and chewing food cause release into stomach. Stimulates the
release of acid and pepsin.
pepsin - ANSW-Enzyme produced by the stomach
Breaks polypeptide into shorter chains of amino acids
Nonessential amino acids - ANSW-can be synthesized in the body
Blocked Chain Amino Acid (BCAA) - ANSW-has a branching carbon backbone
Amino acids in immunity - ANSW-it is a component of cells within the immune system
Functions of proteins - ANSW-body repair, hormone synthesis, immune function, glucose formation
Obesity risks - ANSW-def: excessive amount of body fat relative to lean tissue
risks: CVDs, hypertension, stroke, type 2 diabetes, certain forms of cancer, high cholesterol)
sound weight loss program - ANSW-control of energy(calorie) intake, regular physical activity, control of
problem behaviors
micronutrient - ANSW-needed for enzymes, fluid & electrolyte balance, building bones, energy
metabolism, blood health, antioxidants
Rickets disease - ANSW-bone disease in children that causes bowed legs
vitamin D - ANSW-promotes the body's absorption of calcium and phosphorus
chlorosis - ANSW-green skin color, weakness
vitamins - ANSW-Carbon-containing substance needed in small amounts by the body
essential vitamins - ANSW-must be obtained by diet
Bioavailability - ANSW-the rate at and the extent to which a nutrient is absorbed and used
vitamin A toxicity symptoms - ANSW-Dry, itchy skin
Headache
Nausea
Blurred vision
Severe birth defects
water soluble vitamins - ANSW-B and C, high in bioavailability, excess excreted in urine