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Prions are infectious agents that contain only:

A. Protein
B. Nucleic acid
C. Lipids
D. Carbohydrates


Sagot :

Answer: B. Nucleic acid

Prions are infectious agents that contain only protein. The name "prion" is short for "proteinaceous infectious particle". Prions are made up of a single sialoglycoprotein called PrP 27-30, which is composed of 145 amino acids. Prions are also known to lack nucleic acid, such as DNA or RNA, in their infectious form.