This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
Which antineoplastic drug is a peptide 
Select and explain. 
A. Bleomycin, B. Aspaeme, C. Valinomycin, D. Dactinomycin
A: Bleomycin
Answer: A: Bleomycin 
Explanation: Refer Katzung 10th/895 KDT 6/e p 826 Bleomycin is a small peptide Bleomycin is a mixture of closely related glycolypeptide antibiotics having potent anti tumor activity