Viruses Which of the following statements is not true of viruses? Viruses probably arose from small fragments of cellular chromosomes All viruses have either DNA or RNA as their genetic material All viruses are obligatory intracellular parasites Viruses have been successfully grown in pure cultures in test tubes Viruses probably arose from small fragments of cellular chromosomes All viruses have either DNA or RNA as their genetic material All viruses are obligatory intracellular parasites Viruses have been successfully grown in pure cultures in test tubes ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following viruses show/s transformation of infected cells? Hepatitis B virus All of these Human T cell lymphotronic virus type I Epstein-Barr virus Hepatitis B virus All of these Human T cell lymphotronic virus type I Epstein-Barr virus ANSWER DOWNLOAD EXAMIANS APP
Viruses Reverse transcriptase is a useful enzyme to have when nutrients are scarce spikes are forming in the new virus there are no host cells present an RNA virus converts its RNA to DNA nutrients are scarce spikes are forming in the new virus there are no host cells present an RNA virus converts its RNA to DNA ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following oncogenic viruses was first detected? Rous sarcoma virus. Human T cell leukaemia virus Herpes simplex virus type 2 Epstein-Barr virus Rous sarcoma virus. Human T cell leukaemia virus Herpes simplex virus type 2 Epstein-Barr virus ANSWER DOWNLOAD EXAMIANS APP
Viruses The repressor protein, since the cell is resistant to lysis from externally infecting phage, is also called immunity operon operon repressor none of these immunity repressor immunity operon operon repressor none of these immunity repressor ANSWER DOWNLOAD EXAMIANS APP
Viruses Inclusion bodies of measles virus are none of these intracytoplasmic intranuclear both (a) and (b) none of these intracytoplasmic intranuclear both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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