Which statement is not right about aflatoxins?
A. They cause liver damage and liver cancer ;
B. They are produced by many species of Aspergillus ;
C. They are produced by the fungus that invaded human hosts.
D. They are among the most carcinogenic substances known.
Which statement is not right about mycotoxins?
A. They are all proteins encoded by genes within chromosome;
B. Mycotoxicosis is a diseses caused by eating mycotoxins.
C. They are low-molecular-weight toxic metabolites of fungus;C.
D. They can harm humans and animals that ingest them, causing toxicosis (poisoning).
Which one of the following statement about ergosterol is not right?
A. a molecule carried in the cell wall of fungal cells;
B. a molecule carried in the membrane of fungal cells;
C. It is the target of antifungal drug --Amphotericin B;
D. It is the target of antifungal drug -- Azole drugs.
Which is not right about dermatophytes?
A. They use keratin as a nutrient source ;
B. Unicellular fungi;
C. They can spread from person to person.
D. They cause infection only on skin, nails and hair.