What is the fate of excess amino acids that are not incorporated into proteins? Select one: a. They are converted to urea and eliminated from the body b. They can be stored for later use as muscle tissue c. They are converted to pyruvic acid and then directed towards storage (gluconeogenesis) or catabolized in the Krebs Cycle d. They are converted to heat which is the major source of heat production in mammals

What is the fate of excess amino acids that are not incorporated into proteins? Select one: a. They are converted to urea and eliminated from the body b. They can be stored for later use as muscle tissue c. They are converted to pyruvic acid and then directed towards storage (gluconeogenesis) or catabolized in the Krebs Cycle d. They are converted to heat which is the major source of heat production in mammals

Ebk:Nutrition & Diet Therapy

10th Edition

ISBN:9780357391747

Author:DEBRUYNE

Publisher:DEBRUYNE

Chapter2: Digestion And Absorption

Section: Chapter Questions

Problem 5SC

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Which of the following descriptions about essential amino acids is correct? Select one: a. Essential amino acids cannot be absorbed by human body. b. There are 11 essential amino acids. c. The body can synthesize proper proteins with missing essential amino acids. d. Vegetables are richer in essential amino acids when compared with meat. e. Meat has high protein quality than vegetable.
Which of the following statements is/are TRUE?A. Cells in a resting metabolic state have low ATP and NADH.B. Cells in a highly active metabolic state have high ATP but low NADH.C. Cells in a highly active metabolic state has high NADH but low ATP.In the stomach, the dietary fats are emulsified by?A.peristalsisB.pancreatic lipaseC. bile saltsD. lingual lipase
A deficiency of even one amino acid results in a negative nitrogen balance. In this state, more protein is degraded than is synthesized, and so more nitrogen is excreted than is ingested. Why would protein be degraded if one amino acid were missing?
The end product of protein digestion is: a) monosaccharides b) glycerol and fatty acids c) nucleotides d) amino acids The role of the hormone secretin is: a) to signal the release of bile from the gall bladder d) to signal the release of digestive enzymes from the pancreas c) to raise the pH of the intestine d) to signal the removal of kinetic acid from lipids Which of these two substances serve as emulsifying agents in the digestion of lipids? a) cholecystokinin and secretin b) monoacylglycerols and bile salts c) lipases and proteases d) kinetic acid and cholesterol Triacylglycerols are packaged into which unit before being secreted into lymph fluid? a) chylomicrons b) liposomes c) lysosomes d) kinetic acid micelles Breakdown products of most nutrients are fed into the Krebs Cycle as which molecule? a) glycogen b) ATP c) acetyl-CoA d) NADH A process in which protein is built from amino acids would be: a) anabolic b) catabolic c) diabolic d)…
The hormone which regulates pH in the intestine is called: a) cholecystokinin b) secretin c) thyroxine d) epinephrine The hormone which signals the release of digestive enzymes is: a) cholecystokinin b) secretin c) thyroxine d) epinephrine Larger peptides are broken to smaller peptides by which enzymes? A) amylases b) peptidases c) chylomicrons d) lipases Amino acids released into intestinal cells are transported into the blood by an antiporter which exchanges the amino acids for which ion? A) Cl- b) K+ c) Na+ d) Ca+2 When alpha amylase digests amylopectin, the final products are: a) glucose and fructose b) maltose and glucose c) maltose and fructose d) maltose and dextrin
Decide whether each of the following statements is true or false. If false, explain why.(a) The amino acid pool is found mainly in the liver.(b) Nitrogen-containing compounds can be stored in fatty tissue.(c) Some hormones and neurotransmitters are synthesized from amino acids.
which of the following about fat absorption is incorrect? a) triglycerides must be broken down into glycerol and fatty acids b) that’s observed observed as chylomicrons into lymph c) pancreatic lipase helps break down fats in small intestine d) The presence of fat in the small intestine cause the release of CCK e) secretin is released from the small intestine to break fat droplets in to micelles
How is the digestion of fats different from that of proteins and carbohydrates? a. Fat digestion occurs in the small intestine, and the digestion of proteins and carbohydrates occurs in the stomach. b. Fats are absorbed into cells as fatty acids and monoglycerides but are then modified for absorption; amino acids and glucose are not modified further. c. Fats enter the hepatic portal circulation, but digested proteins and carbohydrates enter the lymphatic system. d. Digested fats are absorbed in the large intestine, and digested proteins and carbohydrates are absorbed in the small intestine.
If you fed an experimental animal (a mammal) a special food that consisted of all 20 amino acids, glucose and a wide variety of fatty acids, along with all needed vitamins and minerals, how would its digestive system handle this food? What would be normal and what, if anything, would be abnormal about its food processing? Is it likely to be adequately nourished?
Which of the following might be true of an individual unable to synthesize and secrete intrinsic factor? a. They would be unable to absorb adequate amounts of vitamin B12. b. They would be unable to digest lactose found in dairy products. c. They would be unable to absorb amino acids in the small intestine. d. They would be unable to digest and absorb triglycerides
An inactive form of a digestive enzyme is called a: a) precursor b) zymogen c) proteozyme d) secretin Which of these enzymes is found in saliva: a) pepsin b) trypsin c) chymotrypsin d) alpha-amylase Which of these enzymes is found in the stomach? : a) pepsin b) trypsin c) chymotrypsin d) alpha-amylase Lipases perform which function? A) add fatty acids to glycerol to make triglyceride b) hydrolytically degrade triglycerides to fatty acids and glycerol c) add fatty acids to proteins to make lipoproteins d) add fatty acids to carbohydrates to make glycolipids Omeprazole is a suicide inhibitor of: a) alpha amylase b) pepsin c) trypsin d) the potassium-hydrogen pump
Fat digestion yields fatty acids and glycerol.Protein digestion yields amino acids. Bothdigestive processes(A) occur inside cells in most animals.(B) add a water molecule to break bonds.(C) require a low pH resulting from HClproduction.(D) consume ATP