Viruses Enveloped viruses have a __________ shape. roughly spherical icosahedral complex helical roughly spherical icosahedral complex helical ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following oncogenic viruses was first detected? Human T cell leukaemia virus Rous sarcoma virus. Epstein-Barr virus Herpes simplex virus type 2 Human T cell leukaemia virus Rous sarcoma virus. Epstein-Barr virus Herpes simplex virus type 2 ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following statements is not true of viruses? 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 Viruses probably arose from small fragments of cellular chromosomes ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following bacteriophage is said to have banal symmetry? all of these T4 T2 T6 all of these T4 T2 T6 ANSWER DOWNLOAD EXAMIANS APP
Viruses The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as operon repressor immunity repressor immunity operon none of these operon repressor immunity repressor immunity operon none of these ANSWER DOWNLOAD EXAMIANS APP
Viruses The envelope of which of the following viruses is derived from the host cell nucleus? Herpesviruses Retroviruses Orthomyxoviruses Paramyxoviruses Herpesviruses Retroviruses Orthomyxoviruses Paramyxoviruses ANSWER DOWNLOAD EXAMIANS APP