Homework Answers
Steps
- Cycle begins when an acetyl group carried by CoA combines with a C4 molecule to form citrate
- Twice over, substitutes are oxidized as NAD+ is reduced to NADH and CO2 is released.
- ATP is produced as an energized phosphate is transferred from a substrate to ADP.
- Again a substrate is oxidized, but this time FAD is reduced to FADH2.
- Once again a substrate is oxidized, and NAD+ is reduced to NADH.
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Quiz Cell Respirationi Saved Help Save & Exit Submit Place the steps in the correct order...
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl...
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
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...
Oxaloacetic Acetyl Coa » Coa Citric acid acid NADH NAD Malic acid Isocitric acid Fumaric acid...
Oxaloacetic Acetyl Coa » Coa Citric acid acid NADH NAD Malic acid Isocitric acid Fumaric acid NAD CO2 NADH FADH, FAD+ Q-ketoglutaric acid Succinic acid CO2 NAD+ Succinyl-CoA NADH ADP+P; ATP Figure 9.1 2 26) Refer to Figure 9.1. If citric acid has six carbon atoms, how many carbon atoms does succinic acid have? A) 4 B) 12 C)5 D)1 E) 6 27) Refer to Figure 9.1. Starting with one acetyl CoA molecule, what is the maximum number of ATP...
I need help with the following questions. Question / Based on your knowledge of the function...
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
Biochemistry! In the diagram below the molecules in the boxes are scrambled. The object of this...
Biochemistry!
In the diagram below the molecules in the boxes are scrambled.
The object of this exercise is to unscramble the proper locations
of the boxed molecules to reveal an accurate diagram of carbon
dioxide and cofactor molecules in association with the complete
oxidation of pyruvate.
How to: exchange the items in the boxes until you are
satisfied the diagram is accurate. To move, click on the edge of
the box. Only when the edge of the box is highlighted...
Q5. Label correctly the names of different processes that generate ATP as shown below (substrate-level or...
Q5. Label correctly the names of different processes that generate ATP as shown below (substrate-level or oxidative phosphorylation?). [3pts] Oxidation of Organic Fuel Molecules During Cellular Respiration Electrons carried via NADH Electrons carried via NADH and FADH, Glycolysis Glucose Pyruvate Pyruvate oxidation Acetyl COA Citric acid cycle Oxidative phosphorylation: electron transport and chemiosmosis CYTOSOL MITOCHONDRION
Answer all biochemistry questions asap 6. Deficiency of glucose 6-phosphate dehydrogenase (G6PD) is the most common...
Answer all biochemistry questions asap
6. Deficiency of glucose 6-phosphate dehydrogenase (G6PD) is the most common human enzyme deficiency. a. How would the amount of NADPH in a person with a G6PD deficiency compare with a "normal" person? b. How would the amount of oxidized glutathione (GSSG) in a person with a G6PD deficiency compare with a "normal" person? c. How would the RBCs of a person with a G6PD deficiency be able to handle oxidative stress compared to a...
Place the cellular respiration pathways in their correct locations. Place the cellular respiration pathways in their...
Place the cellular respiration pathways in their correct
locations.
Place the cellular respiration pathways in their correct locations. Breakdown of pyruvate Glycolysis Oxidative phosphorylation Citric acid cycle 1 OOOOOO Outer mitochondrial membrane Cytosol 2pYYSC Mitochondrial matrix Inner mitochondrial membrane 2 NADH 2 NADH 2 pyruvate 6 NADH 2 FADH Pyruvate | 2000 2 acetyl 2 CO 2002+2 acetyl 2 CO 2 acetyl 2 CO2 +2 ATP +2 ATP +30-34 ATP MAS Via substrate-level phosphorylation Via chemiosmosis Va substrate-level phosphorylation
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between...
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
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...
Oxaloacetic Acetyl Coa » Coa Citric acid acid NADH NAD Malic acid Isocitric acid Fumaric acid NAD CO2 NADH FADH, FAD+ Q-ketoglutaric acid Succinic acid CO2 NAD+ Succinyl-CoA NADH ADP+P; ATP Figure 9.1 2 26) Refer to Figure 9.1. If citric acid has six carbon atoms, how many carbon atoms does succinic acid have? A) 4 B) 12 C)5 D)1 E) 6 27) Refer to Figure 9.1. Starting with one acetyl CoA molecule, what is the maximum number of ATP...
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
Biochemistry!
In the diagram below the molecules in the boxes are scrambled.
The object of this exercise is to unscramble the proper locations
of the boxed molecules to reveal an accurate diagram of carbon
dioxide and cofactor molecules in association with the complete
oxidation of pyruvate.
How to: exchange the items in the boxes until you are
satisfied the diagram is accurate. To move, click on the edge of
the box. Only when the edge of the box is highlighted...
Q5. Label correctly the names of different processes that generate ATP as shown below (substrate-level or oxidative phosphorylation?). [3pts] Oxidation of Organic Fuel Molecules During Cellular Respiration Electrons carried via NADH Electrons carried via NADH and FADH, Glycolysis Glucose Pyruvate Pyruvate oxidation Acetyl COA Citric acid cycle Oxidative phosphorylation: electron transport and chemiosmosis CYTOSOL MITOCHONDRION
Answer all biochemistry questions asap
6. Deficiency of glucose 6-phosphate dehydrogenase (G6PD) is the most common human enzyme deficiency. a. How would the amount of NADPH in a person with a G6PD deficiency compare with a "normal" person? b. How would the amount of oxidized glutathione (GSSG) in a person with a G6PD deficiency compare with a "normal" person? c. How would the RBCs of a person with a G6PD deficiency be able to handle oxidative stress compared to a...
Place the cellular respiration pathways in their correct
locations.
Place the cellular respiration pathways in their correct locations. Breakdown of pyruvate Glycolysis Oxidative phosphorylation Citric acid cycle 1 OOOOOO Outer mitochondrial membrane Cytosol 2pYYSC Mitochondrial matrix Inner mitochondrial membrane 2 NADH 2 NADH 2 pyruvate 6 NADH 2 FADH Pyruvate | 2000 2 acetyl 2 CO 2002+2 acetyl 2 CO 2 acetyl 2 CO2 +2 ATP +2 ATP +30-34 ATP MAS Via substrate-level phosphorylation Via chemiosmosis Va substrate-level phosphorylation
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
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