VIRUSES

Week 9, Quiz 9

Which of these represent the steps of viral replication in the correct order?

1. adsorption

2. penetration

3. synthesis

4. assembly

5. release

An ideal anti-viral drug would be one that _______.

disrupted an essential viral process while causing minimal damage to host cells

Which of the following diseases are caused by viruses?

Influenza

Monkeypox

AIDS

COVID-19

Match the hypothesis for the origin of viruses with evidence to back it up.

Progressive hypothesis: mobile DNA elements exist in the human genome

Regressive hypothesis: large viruses such as the Mimivirus exist

Virus first hypothesis: An RNA world existed before cells arose

Which of these is NOT a characteristic of viruses?

they contain ribosomes

Which of the following are techniques used for cultivating animal viruses in the laboratory?

Tissue culture cells

embryonated eggs

The host range of a virus depends on

the surface proteins found on the viral envelope

All viruses contain DNA as their genetic material. True or False?

FALSE: Viruses can have EITHER DNA or RNA as their genetic material.