Assertion: single mitochondrion | /r/AtLocation | unicellular organisms
Facets:
value: often
type: TEMPORAL
Source sentences:
text: A single mitochondrion is often found in unicellular organisms.
text: A single mitochondrion is often found in unicellular organisms, while human liver cells have about 1000–2000 mitochondria per cell, making up 1/5 of the cell volume.