Viruses Reverse transcriptase is a useful enzyme to have when there are no host cells present spikes are forming in the new virus an RNA virus converts its RNA to DNA nutrients are scarce there are no host cells present spikes are forming in the new virus an RNA virus converts its RNA to DNA nutrients are scarce ANSWER DOWNLOAD EXAMIANS APP
Viruses Group E phages have double stranded DNA single stranded RNA double stranded DNA single stranded DNA double stranded DNA single stranded RNA double stranded DNA single stranded DNA ANSWER DOWNLOAD EXAMIANS APP
Viruses The envelope of which of the following viruses is derived from the host cell nucleus? Herpesviruses Paramyxoviruses Orthomyxoviruses Retroviruses Herpesviruses Paramyxoviruses Orthomyxoviruses Retroviruses ANSWER DOWNLOAD EXAMIANS APP
Viruses Viruses can be purified based on their size and density by using differential centrifugation none of these gradient centrifugation precipitation differential centrifugation none of these gradient centrifugation precipitation ANSWER DOWNLOAD EXAMIANS APP
Viruses The viruses in an attenuated vaccine continue to replicate is altered with chemicals are usually larger than bacteria have no genome continue to replicate is altered with chemicals are usually larger than bacteria have no genome ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following oncogenic viruses was first detected? Human T cell leukaemia virus Herpes simplex virus type 2 Rous sarcoma virus. Epstein-Barr virus Human T cell leukaemia virus Herpes simplex virus type 2 Rous sarcoma virus. Epstein-Barr virus ANSWER DOWNLOAD EXAMIANS APP
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