Classical cell theory statements: choose the one that is NOT part of the cell theory

Difficulty: Easy

Correct Answer: the cell is the most primitive form of life

Explanation:


Introduction / Context:
Cell theory is a cornerstone of biology. Exam questions often include distractors that sound plausible but are not part of the formal statements proposed by Schleiden, Schwann, and Virchow.



Given Data / Assumptions:

  • Core cell theory: (1) All living things are composed of cells. (2) The cell is the basic structural and functional unit of life. (3) All cells arise from preexisting cells.
  • We must identify a statement that is not a canonical part of the theory.


Concept / Approach:
The phrase “most primitive form of life” is not a standard element of the theory and introduces evolutionary language absent from the core doctrine, which focuses on structure, function, and continuity through division.



Step-by-Step Solution:

Compare each option with the canonical three statements.Options A, C, and D each match the classical tenets.Option B introduces an evolutionary descriptor and is not part of cell theory.


Verification / Alternative check:
Consult primary summaries of cell theory: none include “primitive form of life” in their wording.



Why Other Options Are Wrong:
They restate recognized cell theory points (composition, basic unit, biogenesis).



Common Pitfalls:
Assuming “primitive” equals “basic”; these terms differ conceptually—cell theory avoids evolutionary ranking.



Final Answer:
the cell is the most primitive form of life

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