Spot the false virology claim

Exercise and reference answers

Questions

1. False statement

   Viroids are known to cause several human diseases.

   Statements

   1. Prions carry neither DNA nor RNA.
   2. Viroids infect plants and make no protein.
   3. Viroids are known to cause several human diseases.

2. False statement

   Budding kills the animal cell straight away.

   Statements

   1. Budding kills the animal cell straight away.
   2. A lytic cycle bursts the host bacterium open.
   3. In lysogeny the phage DNA joins the host genome.

3. False statement

   Reverse transcription happens in uninfected host cells.

   Statements

   1. Reverse transcriptase builds DNA from an RNA genome.
   2. Reverse transcription happens in uninfected host cells.
   3. AZT works by inhibiting reverse transcriptase.

Instructions

Each round shows three claims. Tap the one that is false.

Explanation