Which of the following will not support viral cultivation? O live lab animals O embryonated bird eggs primary cell cultures O continuous cell cultures O blood agar QUESTION 27 Host range is limited by O age of the host cell. O size of the host cell type of nucleic acid in the virus. type of host cell receptors on cell membrane. All of the choices are correct. QUESTION 28 Uncoating of viral nucleic acid O does not occur in bacteriophage multiplication. O involves enzymatic destruction of the capsid O occurs during penetration in the multiplication cycle. occurs before replication. O All of the choices are correct QUESTION 29 The core of every virus particle always contains O DNA O capsomers. O enzymes. O DNA and RNA O either DNA or RNA QUESTION 30 Creutzfeld-Jacob disease is o caused by a chronic latent virus O initiated by an oncogenic virus o caused by a viroid. O a spongiform encephalopathy of humans O also called "mad cow disease"
