Binary fission Original Scenario-Based Practice

Biology · Cell Communication & the Cell Cycle · Biology · Cell Cycle & Cell Division

1 Biology practice questions on Binary fission. Questions built around original scenarios.

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Questions

  1. 1.

    While surveying a geothermal rift, autonomous nanoprobes monitor an engineered micro-organism that reproduces strictly via prokaryotic binary fission. Sensor telemetry reveals that each rod-shaped cell rapidly duplicates its single circular chromosome before synthesizing a dividing transverse septum. To guarantee that both daughter cells inherit an intact genome during this division process, which cellular mechanism must occur?

    • A) Microtubules bind to protein kinetochores to pull sister chromatids to opposite poles of a spindle apparatus.
    • B) Membrane vesicles transported from the Golgi apparatus coalesce along the equator to construct a dividing cell plate.
    • C) Duplicated origin regions segregate toward opposite cell poles as the plasma membrane elongates before septation.
    • D) A nuclear envelope disassembles into fragments so homologous pairs can separate during cytoplasmic cleavage.

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