Janet Quentin Plowe was a biologist credited for helping to discover the cell membrane.

Biography In 1931 she demonstrated that the cell membrane is physical, instead of an interface between two different liquids. Janet Plowe was born in 1905 in California."United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVL3-9B8 : accessed 31 January 2017), Janet Plowe in household of Ian Plowe, Los Angeles Assembly District 70, Los Angeles, California, United States; citing enumeration district (ED) ED 277, sheet 15A, family 342, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 84; FHL microfilm 1,374,097.

Plowe, a student of William Seifriz, was among the pioneers of micro-injection into plant cells.

She discovered the elasticity and composition of several large organelles, and the cell membrane itself.

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