Fertilized chicken eggs are used to culture some vaccine strains
Indicate whether the statement is true or false
TRUE
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Amphotericin B from Streptomyces spp. binds to the sterols in fungal membranes, disrupting membrane permeability and causing leakage of cell constituents.
Answer the following statement true (T) or false (F)
Alternation of sporophyte and gametophyte generations is a characteristic of
A. Fungi. B. Archaea. C. Bacteria. D. Plantae.
Smallpox is in its MOST contagious phase when:
A) a rash develops. B) blisters begin to form. C) the patient becomes febrile. D) a headache and body aches develop.
Which one of the following diseases of the gastrointestinal system is transmitted by the respiratory route?
A) staphylococcal enterotoxicosis B) mumps C) Vibrio gastroenteritis D) bacillary dysentery E) traveler's diarrhea