Which one of the following descriptions of the term is incorrect? Bacillus = bent or folded Coccus = spherical Spirilla = helical(short form) Vibrios = comma shaped Staphylococci = clusters of spherical cells Viruses are Symbiont Commensals Obligatory intracellular parasite Hosts to bacteria None of the above In which of the following life cycles do viruses kill hosts? Lysogenic Lytic Both of the above None of the above Which of the following is the most common in the cell walls of gram positive bacteria? Cellulose lipopolysaccharide lignin. peptidoglycan protein. What kind of entity is a lichen? an association between a fungus and a brown algae. an association between a multicellular protist related to the brown algae and a bacterium. an association between a bryophyte and a fungus. an association between a fungus and cyanobacteria or green algae. an association between a bryophyte and a bacterium. An example of an emerging virus \"(a virus in a new host)\" with lethality rate in excess of 50% is influenza. Ebola virus. Hepatitis B. Variola virus. Yellow fever. Solution Staphylococci = culture of spherical cell Symbiont lytic peptidoglycan An association between a fungus and cyanobacteria or green algae Ebola virus.