JAMB - Biology (2013 - No. 9)
Which of the following is the simplest living organism?
Paramecium
Virus
Amoeba
Chlamydomonas
Selitys
If viruses, prions, satellites, nanobes, nanobacteria (non-free-living sub-bacterial organisms) are excluded, the simplest free-living organism known is Mycoplasma genitalium, with a genome of only 580,000 base pairs and 482 protein-coding genes.