Viruses Which of the following statements is not true of viruses? Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites Viruses have been successfully grown in pure cultures in test tubes All viruses have either DNA or RNA as their genetic material Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites Viruses have been successfully grown in pure cultures in test tubes All viruses have either DNA or RNA as their genetic material ANSWER DOWNLOAD EXAMIANS APP
Viruses The yield of phage per bacterium is called the none of these burst size eclipse size latent size none of these burst size eclipse size latent size ANSWER DOWNLOAD EXAMIANS APP
Viruses A change from lysogeny to lysis is generally induced by all of these ultraviolet light irradiation chemicals all of these ultraviolet light irradiation chemicals ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following viruses are relatively thermostable? Influenza virus Human immunodeficiency virus Hepatits A virus Rubella virus Influenza virus Human immunodeficiency virus Hepatits A virus Rubella virus ANSWER DOWNLOAD EXAMIANS APP
Viruses What kind of embryo is often used for viral assays? Chicken Rat Mouse Cat Chicken Rat Mouse Cat ANSWER DOWNLOAD EXAMIANS APP
Viruses The most popular indirect method of counting virus particles is by counting plaque-forming units plaque-assay hemagglutination assay colony counting counting plaque-forming units plaque-assay hemagglutination assay colony counting ANSWER DOWNLOAD EXAMIANS APP