Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: This essential nutrient is required for the carboxylation of pyruvate in humans.

A) liver
B) muscle
C) one day
D) endoplasmic reticulum
E) gluconeogenesis
F) phosphoenolpyruvate carboxykinase
G) PFK2
H) Cori
I) fructose 2,6-bisphosphate
J) magnesium
K) oxaloacetate
L) biotin
M) 2 hours
N) ATP