Final answer:
The false statement about liposomes is that they are found within the bloodstream of eukaryotes; liposomes are artificially manufactured and not naturally occurring within the body.
Step-by-step explanation:
The false statement regarding liposomes is option E: 'They are found within the bloodstream of eukaryotes.' Liposomes are artificially created vesicles in a laboratory and are not naturally found within the bloodstream of eukaryotes. Instead, they can be designed to mimic biological membranes and are beneficial for membrane research (a). When phosphatidylcholine is dispersed in an aqueous solution, liposomes indeed form spontaneously (b), and they are fluid-filled spherical vesicles (c), as their structure is consistent with a phospholipid bilayer, with hydrophobic tails interacting with each other and the polar heads facing outward. Finally, liposomes have significant medical potential as they can be utilized to deliver drugs within the body (d).