Ketone bodies are not used by ?
Ans. is 'c' i.e., RBC Only glucose is the sole fuel for RBCs. As RBCs have no mitochondria, they oxidize glucose anaerobically to lactate. Liver also cannot use ketone bodies because of lack of succinyl-CoA-acetoacetate-CoA transferase, which is required for activation of ketone bodies.
Muscle
Brain
RBC
Renal coex