lgE molecules involved in hypersensitivity reactions have become attached to A) neutrophils. B) mast cells. C)B cells. D) macrophages. E) mast cells AND B cells. Question 26 Which of the following do not induce a strong immune response? A) Lipids B) Proteins C) Polysaccharides D) Simple sugars E) Lipids AND simple sugars. o B O D Question 27 A key feature of all viral infections is the A) integration of viral DNA into host DNA. B) separation of viral nucleic acid from the capsid. C) disintegration of host DNA. D) addition of a lipid membrane to the virus. E) lysis of the host cell. O D Question 28 In latent infections, the virions are A) constantly produced. B) only produced during reactivation. C) produced very slowly. D) continually being slowly budded out. E) always detectable in the infected person. O D Question 29 Enveloped viruses A) never use spikes for attachment to host cells. B) have a lipid bilayer membrane containing various proteins. C) are surrounded by an additional layer of carbohydrate. D) surround the boundary of a host cell. E) are difficult to destroy using detergents. O B O D O E Question 32 A limiting factor for viral infection of animals cells is A) presence of specific receptor molecules on the host cell. B) internal metabolic temperature of the host cell. C) nutrition of the host cell. D) stage of cell cycle of the host cell. E) culture conditions of the host cell. O D