Amino acids are considered to be ketogenic if their carbon skeletons are converted directly to acety CoA or acatacatane had of the following is exclusively ketogenic? OA Lysine B Threonine OC Histidine OD Aspartic acid OE Phenylalanine Clear my choice The intermediate aspartate B- semialdehyde undergoes eight reactions to produce which amino acid during phosphorylation of aspartane O A Glycine OB. Asparagine OC Threonine OD. Methionine O E Lysine

Amino acids are considered to be ketogenic if their carbon skeletons are converted directly to acety CoA or acatacatane had of the following is exclusively ketogenic? OA Lysine B Threonine OC Histidine OD Aspartic acid OE Phenylalanine Clear my choice The intermediate aspartate B- semialdehyde undergoes eight reactions to produce which amino acid during phosphorylation of aspartane O A Glycine OB. Asparagine OC Threonine OD. Methionine O E Lysine

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter9: Fundamentals Of Nutrition In Aquaculture

Section: Chapter Questions

Problem 6E

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"among the amino acids which is directly converted into pyruvate for gluconeogenesis"a. theorine b. alanine c. cysteine d. serine
Glucagon increases hepatic gluconeogenesis by decreasing the cytosolic concentration of which of the following?A) AMPB) Calcium C) cAMPD) cGMPE) Fructose 2,6-bisphosphate
1) Gluconeogenesis refers to ________. A) the breakdown of glycogen B) the formation of glucose from noncarbohydrate sources C) the formation of glycogen. D) splitting of glucose to pyruvate E) fermentation of glucose to ethanol 3) Glycogenesis refers to ________. A) the breakdown of glycogen B) the formation of glucose from noncarbohydrate sources C) the formation of glycogen D) splitting of glucose to pyruvate E) fermentation of glucose to ethanol 3) Ketosis is a condition that can occur if A) ketone bodies instead of glucose are used for energy. B) too many ketones are ingested. C) too much protein is available in the diet. D) the brain is starved of glucose. E) low fat intake occurs.
Which one of the following is NOT a metabolic effect of glucagon secretion? Select one: a. Increase in gluconeogenesis. b. Increased glycogenolysis. c. Increase in the activity of adenylate cyclase. d. Increased amino acid uptake by the muscles.
Bile salts are responsible for the... A. transport of triacylglycerols to adipocytes. B. transport of fatty acids from adipocytes to myocytes. C. exposure of triacylglycerols to intestinal lipases. D. prevention of triacylglycerol to diacylglycerol degradation.
Which of the following glucose transporter (GLUT) is present in beta cells of the pancreas? Select one: a. GLUT1 b. GLUT2 C. GLUT4 d. GLUT3
Which of the following statements about the "central role" of TCA is/are correct? a. Some metabolic intermediates of TCA are used as non-carbohydrate sources for gluconeogenesis. b. β-oxidation of lipids produces acetyl-CoA that can enter TCA. c. All metabolic intermediates in TCA are used in the biosynthesis of amino acids. d. Degraded amino acids are converted to metabolic intermediates of TCA, then to ketone bodies.
One example of a stage 1 reaction in the heterotrophic breakdown of food molecules is: A. the intracellular digestion of some amino acids into NH4+ and pyruvate B. the intramitochondrial digestion of fatty acids into carbon dioxide and water C. the extracellular digestion of triglycerides into fatty acids and glycerol D. the intramitochondrial digestion of pyruvate into carbon dioxide and water E. the intracellular digestion of glucose monomers into pyruvate
Which of these statements about lactate dehydrogenase is true? a.It is a protein. b.It oxidizes lactic acid. c.It reduces another molecule (pyruvic acid). d.All of these are true.
During intensive muscle work there is a large amount of ammonia produced in the muscles. What amino acid plays the main role in the transportation of ammonia to the liver and participates in gluconeogenesis reactions? A) Ornithine B) Alanine C) Arginine D) Aspartate E) Lysine
Which of the following describes the function of lipoprotein lipase? Select one: a. It catalyzes the synthesis of lipoproteins b. It helps recycle unused cholesterol by converting to bile salts c. It helps to transport VLDL's in the blood d. It cleaves fatty acids from chylomicrons e. It helps to increase concentration of "good cholesterol"
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