Viruses Reverse transcriptase is a useful enzyme to have when 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 nutrients are scarce an RNA virus converts its RNA to DNA ANSWER DOWNLOAD EXAMIANS APP
Viruses Edward Jenner began inoculating humans with material from __________ lesions. Chickenpox Cowpox Avianpox Smallpox Chickenpox Cowpox Avianpox Smallpox ANSWER DOWNLOAD EXAMIANS APP
Viruses Virus reproduces in living cells by replication all of these duplication multiplication replication all of these duplication multiplication ANSWER DOWNLOAD EXAMIANS APP
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 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 All viruses have either DNA or RNA as their genetic material ANSWER DOWNLOAD EXAMIANS APP
Viruses The function of a viral capsid is providing binding sites that enable the virus to attach to specific receptor sites on the host cell All of these protection against the viral genome from physical and enzymatic destruction serving as a vehicle of transmission from one host to another providing binding sites that enable the virus to attach to specific receptor sites on the host cell All of these protection against the viral genome from physical and enzymatic destruction serving as a vehicle of transmission from one host to another ANSWER DOWNLOAD EXAMIANS APP
Viruses In the simplest capsid, there is a capsomere at each of the 12 vertices; this capsomere, which is surrounded by five other capsomeres, is termed a penton helical icosahedral polyhedra penton helical icosahedral polyhedra ANSWER DOWNLOAD EXAMIANS APP
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