Multiple choice

According to cell theory,

  1. all cells have cell walls

  2. cells can arise spontaneously

  3. cell is the basic structural unit of living things

  4. all cells have a nucleus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cell theory states that all living organisms are composed of one or more cells, and that the cell is the basic structural and functional unit of life.

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