Viruses Enveloped viruses have a __________ shape. complex helical roughly spherical icosahedral complex helical roughly spherical icosahedral ANSWER DOWNLOAD EXAMIANS APP
Viruses The temperate phage possesses a gene that codes for a repressor protein which makes the cell resistant to lysis initiated by lytic infection by other viruses none of these Both (a) and (b) the prophage lytic infection by other viruses none of these Both (a) and (b) the prophage ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring? Bateriophage MV-L2 Bateriophage M13 Bateriophage T4 Bateriophage T2 Bateriophage MV-L2 Bateriophage M13 Bateriophage T4 Bateriophage T2 ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following statements is not true of viruses? Viruses have been successfully grown in pure cultures in test tubes All viruses are obligatory intracellular parasites Viruses probably arose from small fragments of cellular chromosomes All viruses have either DNA or RNA as their genetic material Viruses have been successfully grown in pure cultures in test tubes All viruses are obligatory intracellular parasites Viruses probably arose from small fragments of cellular chromosomes All viruses have either DNA or RNA as their genetic material ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following virus is enveloped? Polio None of these Adeno Herpes Polio None of these Adeno Herpes ANSWER DOWNLOAD EXAMIANS APP
Viruses When a virus enters a cell but does not replicate immediately, the situation is called symbiosis lysogeny synergism fermentation symbiosis lysogeny synergism fermentation ANSWER DOWNLOAD EXAMIANS APP