If [1-14C] Ribose-5-phosphate is incubated with a mixture of purified transketolase- transaldolase-phosphopentose isomerase- phosphopentose epimerase and glyceraldehyde-3-phosphate Fructose- 6-phosphate will be labeled in the 1 and 3 positions.

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Chapter22: Medications Used For Gastrointestinal System Disorders
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Question 31
Which of the following statements are True?
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If [1-14C] Ribose-5-phosphate is incubated with a mixture of purified
transketolase- transaldolase-phosphopentose isomerase-
a
phosphopentose epimerase and glyceraldehyde-3-phosphate Fructose-
6-phosphate will be labeled in the 1 and 3 positions.
Starting with Glucose 6-phosphate labelled in carbon number 1 with
radioactive carbon and taken through the oxidative phase of the
Pentose Phosphate Pathway and the first transaldolase reaction gives
b
rise to a 7-carbon intermediate labeled with radioactive carbon in
carbon number 1.
Avidin is a protein that binds extremely tight to biotin. So avidin
would be a potent inhibitor of Acetyl CoA Carboxylase.
The two electrons derived from the a-Ketoglutarate Dehydrogenase
d
complex come from dihydrolipoic acid.
In Fatty Acid synthesis carbon atoms 15 and 16 of Palmitic acid are
e
donated by Acetyl-CoA.
Although HCO- is required for fatty acid synthesis its carbon atom
Transcribed Image Text:Please save all answers. Questions that you save can still be edit ) You have 1 UNSAVED ANSWER - SAVE ALL ANSWERS Question 31 Which of the following statements are True? O Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation... SHOW MORE V If [1-14C] Ribose-5-phosphate is incubated with a mixture of purified transketolase- transaldolase-phosphopentose isomerase- a phosphopentose epimerase and glyceraldehyde-3-phosphate Fructose- 6-phosphate will be labeled in the 1 and 3 positions. Starting with Glucose 6-phosphate labelled in carbon number 1 with radioactive carbon and taken through the oxidative phase of the Pentose Phosphate Pathway and the first transaldolase reaction gives b rise to a 7-carbon intermediate labeled with radioactive carbon in carbon number 1. Avidin is a protein that binds extremely tight to biotin. So avidin would be a potent inhibitor of Acetyl CoA Carboxylase. The two electrons derived from the a-Ketoglutarate Dehydrogenase d complex come from dihydrolipoic acid. In Fatty Acid synthesis carbon atoms 15 and 16 of Palmitic acid are e donated by Acetyl-CoA. Although HCO- is required for fatty acid synthesis its carbon atom
Please save all answers. Questions that you save can still be e
You have 1 UNSAVED ANSWER-
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Starting with Glucose 6-phosphate labelled in carbon number 1 with
radioactive carbon and taken through the oxidative phase of the
Pentose Phosphate Pathway and the first transaldolase reaction gives
rise to a 7-carbon intermediate labeled with radioactive carbon in
carbon number 1.
Avidin is a protein that binds extremely tight to biotin. So avidin
would be a potent inhibitor of Acetyl CoA Carboxylase.
The two electrons derived from the a-Ketoglutarate Dehydrogenase
d
complex come from dihydrolipoic acid.
In Fatty Acid synthesis carbon atoms 15 and 16 of Palmitic acid are
e
donated by Acetyl-CoA.
Although HCO3- is required for fatty acid synthesis its carbon atom
does not appear in the product.
A mutation in the ATP-Citrate Lyase would result in decreased Citrate in
the cytosol.
In fatty acid synthesis, 14 of the 16 carbons of palmitate come from
malonyl-CoA.
i
Animals cannot convert fatty acids into glucose.
Transcribed Image Text:Please save all answers. Questions that you save can still be e You have 1 UNSAVED ANSWER- SAVE ALL ANSWERS Starting with Glucose 6-phosphate labelled in carbon number 1 with radioactive carbon and taken through the oxidative phase of the Pentose Phosphate Pathway and the first transaldolase reaction gives rise to a 7-carbon intermediate labeled with radioactive carbon in carbon number 1. Avidin is a protein that binds extremely tight to biotin. So avidin would be a potent inhibitor of Acetyl CoA Carboxylase. The two electrons derived from the a-Ketoglutarate Dehydrogenase d complex come from dihydrolipoic acid. In Fatty Acid synthesis carbon atoms 15 and 16 of Palmitic acid are e donated by Acetyl-CoA. Although HCO3- is required for fatty acid synthesis its carbon atom does not appear in the product. A mutation in the ATP-Citrate Lyase would result in decreased Citrate in the cytosol. In fatty acid synthesis, 14 of the 16 carbons of palmitate come from malonyl-CoA. i Animals cannot convert fatty acids into glucose.
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