Which of the Following Reactions Requires GDP
A) Fumarate $\rightarrow$ Malate
B) Succinyl-CoA

Which of the following reactions requires GDP

A) Fumarate $\rightarrow$ Malate
B) Succinyl-CoA $\rightarrow$ Succinate
C) Malate $\rightarrow$ Oxaloacetate
D) Citrate $\rightarrow$ Isocitrate
E) $\alpha$ -Ketoglutarate $\rightarrow$ Succinyl-CoA