Homework Answers
the right option is
4, Acetyl-CoA
in the biosynthesis of fatty acids they built up by 4 carbon units and consume Acetyl-CoA in the process
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-carbon units, and consume In the biosynthesis of Fatty acids they built up by in the...
Oxidative degradation of fatty acids results in production of _______, while the fatty acid biosynthesis pathways...
Oxidative degradation of fatty acids results in production of _______, while the fatty acid biosynthesis pathways use ________ as the substrate for hydrocarbon chain-extending reaction by 3-Ketoacyl ACP synthase. Select one: a. acetyl CoA ;;; malonyl CoA b. malonyl CoA ;;; acetyl CoA c. acetyl CoA ;;; acetyl CoA d. malonyl CoA ;;; malonyl CoA e. None of these
What compound serves as the starting material for the biosynthesis of fatty acids and is also...
What compound serves as the starting material for the biosynthesis of fatty acids and is also a key intermediate in fatty acid metabolism? a. carnitine b. glucose c. bile salt d. acetyl CoA e. lactate
EOS Fatty acid metabolism: Q1 1 point possible (graded) Fatty acid synthase is primed with two...
EOS Fatty acid metabolism: Q1 1 point possible (graded) Fatty acid synthase is primed with two molecules at the beginning of odd-chain fatty acid synthesis. What are these TWO molecules? Propionyl-COA Palmitoyl-CoA Malonyl-CoA Acetyl-COA I Acyl-Coa union How many molecules of malonyl-CoA would be invested to synthesize one molecule of the fatty acid shown above? How many molecules of NADPH would be invested to synthesize one molecule of the fatty acid shown above? How many molecules of ATP would be...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
Fatty Acid Catabolism (B Oxidation) Examine Figure 12.15 to answer the questions below. B carbon -SCOA...
Fatty Acid Catabolism (B Oxidation) Examine Figure 12.15 to answer the questions below. B carbon -SCOA 000000000000000 Fatty acyl CoA of 18C FAD FADH 00000000000000000 scoa @]H40 00000000000000001_scoa or NAD" HO HO -SCOA NAD K.NADH + H NADH+H* 0 0 000-SCOA 0000000000 © COA-SH -SCOA 0 0000000000000000-SCA Fatty acyl CoA of 16C repeats cycle (reactions 1-4) QUESTIONS 1. How is the fatty acyl CoA at the top of the cycle different from the fatty acyl COA at the bottom of...
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the...
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
3. TRUE/FALSE: Most naturally occurring fatty acids have an odd number of carbon atoms. The pathway...
3. TRUE/FALSE: Most naturally occurring fatty acids have an odd number of carbon atoms. The pathway for catabolism of fatty acids is referred to as the B-oxidation pathway, because oxidation occurs at the B-carbon (C-3). The fatty acids can be oxidized by B-oxidation and converted into acetyl-CoA. 4. Use examples to explain oxidation of fatty acids as a major energy source.
Chapter 18Oxidation of Fatty Acids Put the intermediates of the ? oxidation of fatty acids in...
Chapter 18Oxidation of Fatty Acids Put the intermediates of the ? oxidation of fatty acids in order from first to last Rank from first to last in the ? oxidation of fatty acids. To rank items as equivalent, overlap them. Hints Reset Help R-C-S-COA fatty acyl COA shorter by 2 C atoms) fatly acyl CoA trans-enoyl CoA hydroxyacyl CoA CH-C-S-CoOA acetyl CoA First Last The correct ranking cannot be determined. Submit My Answers Give Up Part B In what organelle...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The net synthesis of 1 mol of oxaloacetate from 2 mol of acetyl-CoA by the citric acid cycle does not occur because 1 mol of oxaloacetate is used in the cycle for each one generated. Plants are able to convert 2 mol of acetyl-CoA into 1 mol of oxaloacetate with only two additional enzymes not found in animals. This process is called the glyoxylate cycle,...
1A) How many rounds/cycles of beta-oxidation would be needed to completely break down a 16-carbon fatty...
1A) How many rounds/cycles of beta-oxidation would be needed to
completely break down a 16-carbon fatty acid molecule?
8
6
10
7
9
1B) What type of reaction is step 2?
isomerization
hydration
oxidation-reduction reaction
hydrolysis
1C) What type of enzyme catalyzes step 3?
oxidoreductase
lyase
hydrolase
transferase
ligase
1D) How many net ATP equivalents are generated
by the complete break down of a 12-Carbon fatty acid molecule?
97 ATP
95 ATP
100 ATP
146 ATP
124 ATP
117 ATP...
EOS Fatty acid metabolism: Q1 1 point possible (graded) Fatty acid synthase is primed with two molecules at the beginning of odd-chain fatty acid synthesis. What are these TWO molecules? Propionyl-COA Palmitoyl-CoA Malonyl-CoA Acetyl-COA I Acyl-Coa union How many molecules of malonyl-CoA would be invested to synthesize one molecule of the fatty acid shown above? How many molecules of NADPH would be invested to synthesize one molecule of the fatty acid shown above? How many molecules of ATP would be...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
Fatty Acid Catabolism (B Oxidation) Examine Figure 12.15 to answer the questions below. B carbon -SCOA 000000000000000 Fatty acyl CoA of 18C FAD FADH 00000000000000000 scoa @]H40 00000000000000001_scoa or NAD" HO HO -SCOA NAD K.NADH + H NADH+H* 0 0 000-SCOA 0000000000 © COA-SH -SCOA 0 0000000000000000-SCA Fatty acyl CoA of 16C repeats cycle (reactions 1-4) QUESTIONS 1. How is the fatty acyl CoA at the top of the cycle different from the fatty acyl COA at the bottom of...
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
3. TRUE/FALSE: Most naturally occurring fatty acids have an odd number of carbon atoms. The pathway for catabolism of fatty acids is referred to as the B-oxidation pathway, because oxidation occurs at the B-carbon (C-3). The fatty acids can be oxidized by B-oxidation and converted into acetyl-CoA. 4. Use examples to explain oxidation of fatty acids as a major energy source.
Chapter 18Oxidation of Fatty Acids Put the intermediates of the ? oxidation of fatty acids in order from first to last Rank from first to last in the ? oxidation of fatty acids. To rank items as equivalent, overlap them. Hints Reset Help R-C-S-COA fatty acyl COA shorter by 2 C atoms) fatly acyl CoA trans-enoyl CoA hydroxyacyl CoA CH-C-S-CoOA acetyl CoA First Last The correct ranking cannot be determined. Submit My Answers Give Up Part B In what organelle...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The net synthesis of 1 mol of oxaloacetate from 2 mol of acetyl-CoA by the citric acid cycle does not occur because 1 mol of oxaloacetate is used in the cycle for each one generated. Plants are able to convert 2 mol of acetyl-CoA into 1 mol of oxaloacetate with only two additional enzymes not found in animals. This process is called the glyoxylate cycle,...
1A) How many rounds/cycles of beta-oxidation would be needed to
completely break down a 16-carbon fatty acid molecule?
8
6
10
7
9
1B) What type of reaction is step 2?
isomerization
hydration
oxidation-reduction reaction
hydrolysis
1C) What type of enzyme catalyzes step 3?
oxidoreductase
lyase
hydrolase
transferase
ligase
1D) How many net ATP equivalents are generated
by the complete break down of a 12-Carbon fatty acid molecule?
97 ATP
95 ATP
100 ATP
146 ATP
124 ATP
117 ATP...
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