Hn 308 - Study guides, Class notes & Summaries

HN 308-20 EXAM 3 (Protein Metabolism) Questions with Complete Solutions

- urea cycle - liver - mitochondria and cytosol - urea Correct Answer-How does the human body deal with toxic ammonia released from the degradation of amino acids? - pathway name? - where does it happen? organ specific? - organelle-specific? - end-product? - CO2 (product of TCA cycle) used in 1st step of urea cycle - FUMARATE produced in cytoplasm during urea cycle is an intermediate of TCA cycle - citrulline reacts with ASPARTATE which can be from oxaloacetate of TCA cycle Correc...

More than _____ of proteins are found in skeletal muscle - 40% proteins are nutritionally essential because of their constituent ____________ - amino acids proteins make up ____________ of the solid content of cells - over half __________ combine with other substances to provide a means of carrying those substances in the blood, or into cells, or out of cells - transporters buffers - a compound that ameliorates a change in pH that would otherwise occur in response to the addition of al...

More than _____ of proteins are found in skeletal muscle Ans 40% proteins are nutritionally essential because of their constituent ____________ Ans amino acids proteins make up ____________ of the solid content of cells Ans over half __________ combine with other substances to provide a means of carrying those substances in the blood, or into cells, or out of cells Ans transporters buffers Ans a compound that ameliorates a change in pH that would otherwise occur in response to the a...

The most common digestible polysaccharide in plants Ans Starch 2 Forms of Starch Ans amylose (15-20%) and amylopectin (80-85%) Major form of stored carbohydrate in animals Ans Glycogen The most important dietary carbohydrates nutritionally Ans Poly- and di- saccharides What is the only type of carbohydrate that can be absorbed by the GI tract into the bloodstream? Ans Monosaccharides Which digestive enzymes are produced by enterocytes? Ans Dextrinase and disaccharides (dextrinase be...

if consumed in sufficient amounts, any energy producing nutrient ________, __________, and ________ can fuel the body in the short term - carbohydrate; fat; protein AAs can be either ______ or ______ or both. - glucogenic; ketogenic the glucogenic AAs can be converted to ________ or intermediates of TCA cycle, including _________, ________, ___________, _________ - pyruvate; oxaloacetate, fumarate, succinyl CoA, alpha-ketoglutarate via gluconeogenesis pathway, AAs can be eventually conv...

The most common digestible polysaccharide in plants - Starch 2 Forms of Starch - amylose (15-20%) and amylopectin (80-85%) Major form of stored carbohydrate in animals - Glycogen The most important dietary carbohydrates nutritionally - Poly- and di- saccharides What is the only type of carbohydrate that can be absorbed by the GI tract into the bloodstream? - Monosaccharides Which digestive enzymes are produced by enterocytes? - Dextrinase and disaccharides (dextrinase beaks oligosacchar...

if consumed in sufficient amounts, any energy producing nutrient ________, __________, and ________ can fuel the body in the short term Ans carbohydrate; fat; protein AAs can be either ______ or ______ or both. Ans glucogenic; ketogenic the glucogenic AAs can be converted to ________ or intermediates of TCA cycle, including _________, ________, ___________, _________ Ans pyruvate; oxaloacetate, fumarate, succinyl CoA, alpha-ketoglutarate via gluconeogenesis pathway, AAs can be eventual...

HN 308 Proteins Exam Review 2024 More than _____ of proteins are found in skeletal muscle **** 40% proteins are nutritionally essential because of their constituent ____________ **** amino acids proteins make up ____________ of the solid content of cells **** over half