Homework Answers
The label is in the methyl carbon atom of pyruvate. And also on the carboxyl carbon of pyruvate.
Option e is the correct answer.
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21. Glucose labeled with 14C in C-1 and C-4 gives rise in glycolysis to pyruvate labeled...
If a molecule of glucose is labeled with 14C at position 1 proceeds through glycolysis, where...
If a molecule of glucose is labeled with 14C at position 1 proceeds through glycolysis, where will the radioactive label end up? a) At the carboxyl carbon of all the pyruvate produced b) At the carboxyl carbon of half of the pyruvate produced. c) At the methyl carbon of half of the pyruvate produced. d) At the methyl carbon of all the pyruvate produced. e) At the carbonyl carbon of all the pyruvate produced. f) At the carbonyl carbon of...
If glucose labeled with 14C at C-2 were metabolized in the liver, the first radioactive pyruvate...
If glucose labeled with 14C at C-2 were metabolized in the liver, the first radioactive pyruvate formed would be labeled in (pick from list given below) i) all three carbons ii) its carbonyl carbon iii) its carboxyl carbon iv) its methyl carbon Ali B) ii C) iii D) iv E) A and C
Question: 24, 17 and 18 Will rate your answer Thank you! 24) Wh ich of the...
Question: 24, 17 and 18
Will rate your answer
Thank you!
24) Wh ich of the following functional groups is a commonly seen nucleophile in biochemical reactions? A) aldehyde B) deprotonated alcohol C) amide D) carbocation E) iodide ion Page 5 17) Glucose labeled with WC in C-1 and C-6 gives rise in glycolysis to pyruvate label A) A and C. B) all three carbons. C) its carbonyl carbon. D) its carboxyl carbon. E) its methyl carbon. 18) If glucose...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via glycolysis and the pyruvate dehydrogenase complex. What percentage of the acetyl-CoA molecules formed will be labeled with 14C, and in which position of the acetyl moiety will the 14C label be found? Select the correct answer and explain your reasoning 100% of the acetyl-CoA will be labeled at C-1 (carboxyl). 100% of the acetyl-CoA will be labeled at C-2. 50% of the acetyl-CoA will...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via glycolysis and the pyruvate dehydrogenase complex. What percentage of the acetyl-CoA molecules formed will be labeled with 14C, and in which position of the acetyl moiety will the 14C label be found? Select the correct answer and explain your reasoning 100% of the acetyl-CoA will be labeled at C-1 (carboxyl). 100% of the acetyl-CoA will be labeled at C-2. 50% of the acetyl-CoA will...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via glycolysis and the pyruvate dehydrogenase complex. What percentage of the acetyl-CoA molecules formed will be labeled with 14C, and in which position of the acetyl moiety will the 14C label be found? Select the correct answer and explain your reasoning 100% of the acetyl-CoA will be labeled at C-1 (carboxyl). 100% of the acetyl-CoA will be labeled at C-2. 50% of the acetyl-CoA will...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via...
Question 3 Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via glycolysis and the pyruvate dehydrogenase complex. What percentage of the acetyl-CoA molecules formed will be labeled with 14C, and in which position of the acetyl moiety will the 14C label be found? Select the correct answer and explain your reasoning 100% of the acetyl-CoA will be labeled at C-1 (carboxyl). 100% of the acetyl-CoA will be labeled at C-2. 50% of the acetyl-CoA will...
Glucose labeled with 14C atom in position C-1 is incubated with glycolysis enzymes. what part (%) of...
Glucose labeled with 14C atom in position C-1 is incubated with glycolysis enzymes. what part (%) of pyruvate molecules will be labeled
.) (3pts) If radioactive glucose labeled at carbon #6 with 14C, were incubated in a cell-free liv...
.) (3pts) If radioactive glucose labeled at carbon #6 with 14C, were incubated in a cell-free liver homogenate under anaerobic conditions, which carbon in the lactate produced would be labeled with 1℃ (refer to the carboxyl carbon of lactate as C1, the central carbon as C2, and the methyl carbon as C3)? What if theglucose were labeled at carbon #3 instead? In both cases, explain your answer.
.) (3pts) If radioactive glucose labeled at carbon #6 with 14C, were incubated...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until pyruvate, the end product of glycolysis, is oxidized by the pyruvate dehydrogenase complex, that the first glucose carbons are oxidized to CO2. The overall PDH reaction is shown below. Identify the glucose carbon atoms that are removed in this reaction and the glucose atoms that are destined to become part of acetyl CoA. 0 0 C3, C4 →Ć Pyruvate dehydrogenase + NAD+ + COASH...
If glucose labeled with 14C at C-2 were metabolized in the liver, the first radioactive pyruvate formed would be labeled in (pick from list given below) i) all three carbons ii) its carbonyl carbon iii) its carboxyl carbon iv) its methyl carbon Ali B) ii C) iii D) iv E) A and C
Question: 24, 17 and 18
Will rate your answer
Thank you!
24) Wh ich of the following functional groups is a commonly seen nucleophile in biochemical reactions? A) aldehyde B) deprotonated alcohol C) amide D) carbocation E) iodide ion Page 5 17) Glucose labeled with WC in C-1 and C-6 gives rise in glycolysis to pyruvate label A) A and C. B) all three carbons. C) its carbonyl carbon. D) its carboxyl carbon. E) its methyl carbon. 18) If glucose...
.) (3pts) If radioactive glucose labeled at carbon #6 with 14C, were incubated in a cell-free liver homogenate under anaerobic conditions, which carbon in the lactate produced would be labeled with 1℃ (refer to the carboxyl carbon of lactate as C1, the central carbon as C2, and the methyl carbon as C3)? What if theglucose were labeled at carbon #3 instead? In both cases, explain your answer.
.) (3pts) If radioactive glucose labeled at carbon #6 with 14C, were incubated...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until pyruvate, the end product of glycolysis, is oxidized by the pyruvate dehydrogenase complex, that the first glucose carbons are oxidized to CO2. The overall PDH reaction is shown below. Identify the glucose carbon atoms that are removed in this reaction and the glucose atoms that are destined to become part of acetyl CoA. 0 0 C3, C4 →Ć Pyruvate dehydrogenase + NAD+ + COASH...
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