Which one of the following is not true about the membrane invagination hypothesis:
Correct answer: D. Second membrane dissolve
- A. Formation of endomembrane system
- B. Membrane modification
- C. Second membrane for protochloroplast
- D. Second membrane dissolve
Explanation
The membrane invagination hypothesis, which is a proposed explanation for the origin of eukaryotic cells and their endomembrane system, suggests that the internal membranes of eukaryotic cells, such as the endoplasmic reticulum, Golgi apparatus, and nuclear envelope, originated through invagination or infolding of the plasma membrane of a prokaryotic ancestor. These internal membranes provided separate compartments for different cellular processes.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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