SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All living things are made of cells.
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All cells come from other preexisting cells.
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Cells form through spontaneous generation.
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Cells are the basic structural and functional units of life.
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Detailed explanation-1: -The correct option is C All cells are surrounded by cell wall. Schleiden, Schwann and Virchow contributed to the formation of cell theory.
Detailed explanation-2: -Schleiden and Schwann proposed spontaneous generation as the method for cell origination, but spontaneous generation (also called abiogenesis) was later disproven. Rudolf Virchow famously stated “Omnis cellula e cellula”… “All cells only arise from pre-existing cells.
Detailed explanation-3: -Answer and Explanation: b. It states that bacteria and other small organisms can arise spontaneously. This statement describes the Theory of Spontaneous Generation, not Cell Theory.
Detailed explanation-4: -Answer and Explanation: The only component that is not part of the modern cell theory is seen in choice B) Bacteria are examples of eukaryotic cells.
Detailed explanation-5: -Answer: The correct option is (d) All cells do not have the same chemical composition.