You are carrying out an experiment in the lab to study the glycolysis pathway. To do this, a liver extract (which is capable of carrying out all of the normal metabolic reactions) is incubated with 14C-labeled glucose at carbon 1. Based on your knowledge of glycolysis, where does the 14C-label end up in pyruvate?

When C1 is labeled in glucose, it ends up in the methyl group of pyruvate.

Aldolase cleaves a hexose into two trioses.

[See the image attached].

Asterisk indicates the label.

When C1 is labeled in glucose, it ends up in the carboxyl group of pyruvate.

idk what the question is about

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.