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Why are plasmids found in some organisms and not others?
If plasmids are beneficial to cells, why dont all cells have them?
1 Answer
- pinkLv 51 decade agoFavorite Answer
1.) there is no advantage to this organism to carry it. even a strain that carrys a plasmid will let of that plasmid as soon as it doesnt need. it costs the cell enerrgy and makes them grow slower so there has to be a huge advantge to carry it
2.) there may be no plasmids around where the organism is located. some organisms are in the ocean or under a rock, or where there are no plamids found
3.) it may be impossible for an organism to take it up .... there may be viruses or proteins that destroy it instantly
Source(s): welcome =)
