Multiple choice

The important organic molecules of living cells include

  1. carbohydrates

  2. proteins and lipids

  3. nucleic acids

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Living cells rely on a variety of organic molecules to function, including carbohydrates for energy, proteins and lipids for structure and function, and nucleic acids for genetic information. Therefore, all these categories are essential.

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