Answer:
The answer to the question is d
<span>The Cell Membrane. All living cells and many of the tiny organelles internal to cells are bounded by thin membranes. These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.</span>
Multicolor necklace indicates that Monomers in a polymer are of different types
I can’t see it it’s too blurry
