Which one is a polymer substance?
Correct answer: C. Plastic
- A. Glass
- B. Iron
- C. Plastic
- D. copper
Explanation
A polymer is a substance made of many repeating units called monomers. Plastics are formed by many identical repeating monomers thus are polymers.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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