This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Enzyme activity measured in beri beri is: 
Select and explain. 
A. Transketolase, B. Transamina se, C. Decarboxylase, D. Deaminases
A: Transketolase
Answer: A: Transketolase 
Explanation: A i.e. Transketolase