Which of the following is not a clause of the Cell Theory?
Correct answer: D. All cells have membrane-bound organelles
- A. Cells carry genetic information in the form of DNA
- B. Cells are the basic functional unit of life
- C. Cells arise from pre-existing cells
- D. All cells have membrane-bound organelles
Explanation
Option D is the correct choice because it inaccurately asserts that all cells have membrane-bound organelles. This is not applicable to prokaryotic cells, such as bacteria, which do not have these structures. The classical Cell Theory does not include this statement, as it applies primarily to eukaryotic cells. Option A, while true in modern biology, is not part of the original theory. Option B and Option C correctly reflect the foundational principles of the Cell Theory: Option B emphasizes that cells are the basic unit of life, while Option C highlights that cells arise from pre-existing cells, supporting the concept of cellular continuity.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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