This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
Which one of the following enzyme is used as an anti-cancer drug 
Select and explain. 
A. Alpha-1-antitrypsin, B. Streptokinase, C. Asparginase, D. Papain
C: Asparginase
Answer: C: Asparginase 
Explanation: Asparaginase is a bacterial enzyme that causes breakdown of extracellular asparagine required for protein synthesis in leukemic cells.Asparaginase is used to treat acute lymphoblastic leukaemia, acute myeloid leukaemia, and non-Hodgkin&;s lymphoma.Harrison 19th edition pg:103e