3
Question
Tripartite nature of plasmalemma was discovered by
Tripartite nature of plasmalemma was discovered by
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Solution
The correct option is A Robertson
- The cell membrane is a phospholipid bilayer that are selectively permeable membranes which separate the interior of the cells (cell organelles and cytoplasm) from the outside environment or the extracellular space.
- According to Robertson, there are two zones observed in the electron light zone (electron transparent zone) and the electron dense zone.
- This arrangement of the electron dense (two in number) and electron transparent (one in number) zone is called the Trilaminar Model or Tripartite Model.
- It suggests that the cell membrane is a trilayer (tripartite nature) as it consists of a layer of phospholipids which forms the hydrophobic part which is sandwiched between two layers of hydrophilic heads.
- So, the correct answer is 'Robertson'.
- The cell membrane is a phospholipid bilayer that are selectively permeable membranes which separate the interior of the cells (cell organelles and cytoplasm) from the outside environment or the extracellular space.
- According to Robertson, there are two zones observed in the electron light zone (electron transparent zone) and the electron dense zone.
- This arrangement of the electron dense (two in number) and electron transparent (one in number) zone is called the Trilaminar Model or Tripartite Model.
- It suggests that the cell membrane is a trilayer (tripartite nature) as it consists of a layer of phospholipids which forms the hydrophobic part which is sandwiched between two layers of hydrophilic heads.
- So, the correct answer is 'Robertson'.
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