Assertion: mitochondrion's dna molecule | /r/HasProperty | single circular
Facets:
Source sentences:
text: Among the many lines of evidence supporting symbiogenesis are that new mitochondria and plastids are formed only through binary fission, and that cells cannot create new ones otherwise; that the transport proteins called porins are found in the outer membranes of mitochondria, chloroplasts and bacterial cell membranes; that cardiolipin is found only in the inner mitochondrial membrane and bacterial cell membranes; and that some mitochondria and plastids contain single circular DNA molecules similar to the chromosomes of bacteria.
text: Some mitochondria and some plastids contain single circular DNA molecules that are similar to the DNA of bacteria both in size and structure.