Under aerobic conditions when glucose is limiting, with high ratios of NADH/NAD+ and ATP/ADP, as carbon-2 radiolabeled pyruvate is utilized for its carbon skeleton, which molecules would you expect to see significant radiolabeling in the liver? Select all that apply. **Please note some molecules contain more details, including not only molecule name, but location of the label. Pick the options that are accurate for the above situation. Glucose C-2 only Label is halved over many TCA cycles Oxaloacetate Glucose C-1 and C-6 Glucose C-2 and C-5 CO2 from TCA cycle shows some radiolabel Lactate C-2 for export Malate Pyruvate C-1

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Under aerobic conditions when glucose is limiting, with high ratios of NADH/NAD+ and ATP/ADP, as carbon-2 radiolabeled pyruvate is utilized for its carbon skeleton, which molecules would you expect to see significant radiolabeling in the liver? Select all that apply.

**Please note some molecules contain more details, including not only molecule name, but location of the label. Pick the options that are accurate for the above situation.

Glucose C-2 only
Label is halved over many TCA cycles
Oxaloacetate
Glucose C-1 and C-6
Glucose C-2 and C-5
COfrom TCA cycle shows some radiolabel
Lactate C-2 for export
Malate
Pyruvate C-1
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