RE: The Smallest Thing Alive - Cell?
the cell cytoplasm also envelopes the cytoskeleton and the cytosol which are found inside the plasma membrane.
This is incorrect when written like this - cytoplasm is made up of the cytosol and insoluble suspended particles (organelles). And cytosol consists of water and anything that is soluble and dissolved in it (ions and soluble proteins). So cytoplasm doesn't envelop anything, because it's basically a liquid content of a cell, not a membrane.
The Plasma membrane serves as a protective covering containing and separating the interior of the cell from the outside, and it also manufactures biomolecules.
As a scientist with a PhD in biology I never heard that plasma membrane is a manufacturer of biomolecules. Could you please explain what you meant by that? :)
The plasma membrane as I explained is a biological membrane that separates the interior of all cells from the outside environment. What I meant by this
is that the plasma membrane consists of a lipid bilayer with embedded proteins (which can also be called biomolecules) since biomolecules is a loosely used term to describe molecules and ions found in organisms that aid biological processes.
Perhaps I was wrong to say these molecules are produced by the plasma membrane.
Exactly :)
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