Biology Polymer vs. Macromolecule: What's the Difference?

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Polymers and macromolecules differ primarily in their structure and bonding, with polymers being a specific type of macromolecule. While both consist of large molecules, polymers are typically composed of repeating units called monomers. The distinction lies in the complexity and arrangement of these units, as macromolecules can include proteins and nucleic acids, which are not always linear chains. Understanding the term "many" is crucial, as it emphasizes the repetitive nature of polymers compared to the diverse structures of other macromolecules. Clarifying these differences enhances comprehension of molecular biology and chemistry.
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Homework Statement
I was asked which of these is NOT a polymer and I'm not sure how to answer it.
A.) Camp-Stove fuel
B.) Polyester
C.) DNA
D.) Starch
E.) Plastic
Relevant Equations
A polymer is a useful chemical made of many repeating units
A macromolecule is a chain of many different units
I am aware that there is a difference between a polymer and a macromolecule (due to types of bonds, structure, etc.) but all of these seem to be chains like polymers to me. I know that is incorrect because there is no option for all of the above.
 
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Maybe if you consider in more detail what each of the possible answers is made of.
 
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Hi McC:

Here is a hint. The key word is "many".

Regards,
Buzz
 
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Gotcha, thank you!
 

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