Viruses Which of the following statements is not true of viruses? 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 Viruses probably arose from small fragments of cellular chromosomes All viruses are obligatory intracellular parasites 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 Which of the following is semi-continuous (diploid) cell line? HeLa KB WI-38 HEp-2 HeLa KB WI-38 HEp-2 ANSWER DOWNLOAD EXAMIANS APP
Viruses Plant viruses may be cultivated in whole plants tissue culture cultures of separated cells all of these whole plants tissue culture cultures of separated cells all of these ANSWER DOWNLOAD EXAMIANS APP
Viruses The time from infection until lysis is called as burst size eclipse period rise period latent period burst size eclipse period rise period latent period ANSWER DOWNLOAD EXAMIANS APP
Viruses Which of the following are obligate intracellular parasites? Chlamydia Rickettsia Viruses All of these Chlamydia Rickettsia Viruses All of these ANSWER DOWNLOAD EXAMIANS APP
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