3.5 cause of the kilometers you have to reduce hope that helps.
Answer:
D. helps maintain membrane fluidity
Explanation:
Macromolecules are mostly made up of monomers linked into polymers.
<h3>
What are macromolecules?</h3>
Macromolecules are made from subunits or building blocks of monomers. These monomers combine with one another through covalent bonds to form larger molecules that are called polymers.
Therefore, macromolecules are made of monomers which are subunits that make up polymer.
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