Before recently, the viruses most commonly recognised by scientists had sizes of $20\text{-}150\,\text{nm}$. The Mimivirus was discovered in 2003 and had a size of approximately $680\,\text{nm}$. The Pandoravirus was discovered in 2013 and has a size of over $1000\,\text{nm}$. Which of these viruses can be observed with a light microscope that has a maximum resolution of $0.25\,\mu\text{m}$, and which require an electron microscope?
- Atypical virus: can be seen; Mimivirus: can be seen; Pandoravirus: can be seen
- Btypical virus: cannot be seen; Mimivirus: can be seen; Pandoravirus: can be seen
- Ctypical virus: cannot be seen; Mimivirus: cannot be seen; Pandoravirus: can be seen
- Dtypical virus: cannot be seen; Mimivirus: cannot be seen; Pandoravirus: cannot be seen