The macromolecule shown in the image is generally formed by lipids, the correct option is B.
What is a plasma membrane?
The plasma membrane, also known as the cell membrane, is the membrane found in all cells that differentiates the cell's interior from its surroundings.
A phospholipid bilayer is depicted in the image. Proteins and lipids are the macromolecules that make up the majority of the structure shown.
Depending on the location and type of cell, lipids can make up 20% to 80% of the membrane. Proteins make up the remainder.
Thus, the correct option is B.
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