cholesterol is a ____ molecule

Living organisms are made up of ______ levels of organization

The cell membrane is a

It called “the lipid bilayer”

The cell membrane is a semipermeable and allows only the _____ substances to pass through

is responsible for the structural integrity of lipid layer of the cell membrane

the proteins that pass through entire thickness of
plasma membrane

_______ molecules are negatively charged and do not permit the negatively charged substances to move in and out of the cell

Some _______ molecules function as the receptors for some hormones

It is involved on the synthesis of non-protein substances such as cholesterol and steroid