Viruses Which of the following statements is not true of viruses? Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites All viruses have either DNA or RNA as their genetic material Viruses have been successfully grown in pure cultures in test tubes Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites All viruses have either DNA or RNA as their genetic material Viruses have been successfully grown in pure cultures in test tubes ANSWER DOWNLOAD EXAMIANS APP
Viruses The temperate phage that have no site specificity for insertion and may even be able to insert multiple copies of their DNA into a single bacterial chromosome is Phage Mn λ DNA Phage Mu λ phage enzyme Phage Mn λ DNA Phage Mu λ phage enzyme ANSWER DOWNLOAD EXAMIANS APP
Viruses Group E phages have single stranded RNA double stranded DNA double stranded DNA single stranded DNA single stranded RNA double stranded DNA double stranded DNA single stranded DNA ANSWER DOWNLOAD EXAMIANS APP
Viruses Viruses require __________ for growth. bacteria animals living cells plants bacteria animals living cells plants ANSWER DOWNLOAD EXAMIANS APP
Viruses The envelope of which of the following viruses is derived from the host cell nucleus? Paramyxoviruses Orthomyxoviruses Retroviruses Herpesviruses Paramyxoviruses Orthomyxoviruses Retroviruses Herpesviruses 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
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