Viruses Which of the following statements is not true of viruses? 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 Viruses probably arose from small fragments of cellular chromosomes ANSWER DOWNLOAD EXAMIANS APP
Viruses Reverse transcriptase is a useful enzyme to have when nutrients are scarce an RNA virus converts its RNA to DNA spikes are forming in the new virus there are no host cells present nutrients are scarce an RNA virus converts its RNA to DNA spikes are forming in the new virus there are no host cells present ANSWER DOWNLOAD EXAMIANS APP
Viruses The size of viruses is usually measured in centimeters millimeters micrometers nanometers centimeters millimeters micrometers nanometers ANSWER DOWNLOAD EXAMIANS APP
Viruses Viruses largely lack metabolic machinery of their own to generate energy or to synthesize protein carbohydrate all of these alcohol protein carbohydrate all of these alcohol ANSWER DOWNLOAD EXAMIANS APP
Viruses The function of a viral capsid is serving as a vehicle of transmission from one host to another All of these providing binding sites that enable the virus to attach to specific receptor sites on the host cell protection against the viral genome from physical and enzymatic destruction serving as a vehicle of transmission from one host to another All of these providing binding sites that enable the virus to attach to specific receptor sites on the host cell protection against the viral genome from physical and enzymatic destruction ANSWER DOWNLOAD EXAMIANS APP
Viruses The repressor protein, since the cell is resistant to lysis from externally infecting phage, is also called none of these immunity repressor operon repressor immunity operon none of these immunity repressor operon repressor immunity operon ANSWER DOWNLOAD EXAMIANS APP