Protocell
Protocell were the first living cells even before the origin of archaebacteria and bacteria. They were able to replicate and show metabolism as well. The plasma membrane was made up of phospholipids.
Plasma membrane of all the living organisms, archaebacteria, bacteria and eukaryotes is made up of phospholipids. But the internal structure differs. Archaebacteria and eubacteria do not have nucleus and other membrane bound organelles but eukaryotes have.
In the given figure we can see only plasma membrane but no other cell organelles are present so this is a protocell.
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