Viruses The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as immunity repressor immunity operon operon repressor none of these immunity repressor immunity operon operon repressor none of these ANSWER DOWNLOAD EXAMIANS APP
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 Viruses have been successfully grown in pure cultures in test tubes All viruses have either DNA or RNA as their genetic material Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites Viruses have been successfully grown in pure cultures in test tubes All viruses have either DNA or RNA as their genetic material ANSWER DOWNLOAD EXAMIANS APP
Viruses The viral DNA of the temperate phage, instead of taking over the functions of the cell's genes, is incorporated into the host DNA and becomes a prophage in the bacterial chromosome, acting as a gene. This happens in lytic phase lysogeny spontaneous induction none of these lytic phase lysogeny spontaneous induction none of these ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following may affect proteins and nucleic acids, but not viruses? Pressure Enzyme treatment Denaturation All of these Pressure Enzyme treatment Denaturation All of these ANSWER DOWNLOAD EXAMIANS APP
Viruses Viruses require __________ for growth. bacteria plants living cells animals bacteria plants living cells animals ANSWER DOWNLOAD EXAMIANS APP
Viruses In order for a virus to replicate the host cell must be undergoing mitosis the host cell must lack a cell membrane the capsid must enter the host cell cytoplasm the genome must be released in the cytoplasm the host cell must be undergoing mitosis the host cell must lack a cell membrane the capsid must enter the host cell cytoplasm the genome must be released in the cytoplasm ANSWER DOWNLOAD EXAMIANS APP
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