
Need help with both questions, thank you! Question 15 Where are the enzymes responsible for elongating...
Need help with both questions, thank you!
Which of the following amino acids would be considered a conserved substitution for the amino acid in position #2 on the peptide shown above? lysine glutamine arginine glutamate glycine Question 10 2 pts Where does fatty acid oxidation take place in a cell? cytoplasmic face of the ER Golgi complex lumenal face of the ER mitochondrial matrix cytoplasm
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1. Glycerol from hydrolysis of triacylglycerols enters gluconeogenesis at. a. glyceraldehyde-3-phosphate. b. dihydroxyacetone phosphate. c. 1,3-bisphosphoglycerate. d. 3-phosphoglycerate. e. 2-phosphoglycerate. or tissue prefers to use ketone bodies such as acetoacetate as a source of fuel instead of glucose? a. heart muscle c. brain d. liver e. stomach b. adrenal cortex 3. The key enzyme in glycogen degradation is a. glycogen phosphatase. b. glycogen hydrolase. c. glycogen phosphorylase A d. glycogen...
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Question 13 The committed step of fatty acid synthesis is catalyzed by the enzyme acetyl CoA carboxylase. Which of the following accurately describes this enzyme? None of the choices is correct. All of the choices are correct Phosphorylation of the enzyme inhibits its activity. The inhibited enzyme can be stimulated by allosteric regulation of citrate. The dephosphorylated enzyme is active. Question 14 Formation of this molecule is the committed step of fatty acid...
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Question 21 Amination of this molecule generates glutamate. acetyl COA citrate pyruvate alpha-ketoglutarate oxaloacetate Question 22 Ammonium ions from amino acid degradation are converted to this molecule. NADH ubiquinone NADPH histidine urea
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Question 11 The final product of fatty acid oxidation of an odd-numbered fatty acid chain is propionyl COA. What is it converted to? alanine succinyl COA O glutamate ketone bodies acetyl COA Question 12 Fatty acid synthesis is reductive biosynthesis. What molecule reduces the carbons during fatty acid synthesis? NADPH O heme FADH2 O NADH acetyl COA
Which of the following metabolic changes will occur in a typical human after a meal balanced in carbohydrates, protein, and fat is consumed? (Select ALL that apply!) Liver glycogen synthesis increases Muscle glycogenolysis (glycogen breakdown) increases Liver gluconeogenesis decreases Insulin levels in the blood decrease Ketone body production in the liver is increased ..... Which of the following metabolic changes will occur in a typical human during 12 hours of fasting? (Select ALL that apply.) Liver glycogen synthesis decreases Liver...
Can someone quick answer/check these questions? Thank you, will rate! (the answers that I have came up with are in bold) Please help 51- Glycogenesis involves the following steps a) isomerisation b) activation c) elongation or coupling d) branching e) all of the above 52 During the breakdown of glycogen, free glucose is formed from A. the reducing end. B. the non-reducing end. C. glucose residues in an a 1-->4 linkage to the chain. D. glucose residues in an...
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Question 1 Which of the following tissues stores the highest total amount of glycogen? liver kidneys muscle fat (adipose) brain Question 2 Which of the following is true with respect to glycogen phosphorylase? Glycogen phosphorylaseb converts to glycogen phoshorylase a in response to energy charge. Glycogen phosphorylase a and glycogen phosphorylase bare isozymes. Glycogen phosphorylase a has a phosphate attached. Glycogen phosphorylase a converts to glycogen phoshorylase bin response to energy charge. Glycogen...
Please help me figure these out, and if you could explain why you got the answer you did that would be great, because I have an exam tomorrow! Thanks in advance. 1. Anaplerotic reactions __________. A. produce oxaloacetate and malate to maintain constant levels of citric acid cycle intermediates B. produce biotin needed by pyruvate carboxylase C. recycle pantothenate used to make CoA D. produce pyruvate and citrate to maintain constant levels of citric acid cycle intermediates E. All of...
100X The following structure are found in both rokaryotic and cukaryotic cells except (a) mitochondrion (c) cytosol (b) ribosome (d) plasma membrane What is the maximum total magnification of light microscopy? (a) 5X (c) 100X (b) 40X (d) 1000X 3. The microscopy that scans the specimen with a focused laser beam to obtain a series of two dimensional optical sections, which can be used to reconstruct an image of the specimen in three dimensions (a) SEM (c) TEM (b) Confocal...