What feature in prokaryotes substitutes for the spindle action in eukaryotes?

Looped DNA

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Elongation of plasma membrane

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Fission instead of cytokinesis

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Centrioles with asters

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Solution

The correct option is B Elongation of plasma membrane
A proper spindle apparatus with centrioles is present in Eukaryotes. Prokaryotes lack spindles and centrioles; the cell membrane assumes the function of spindle apparatus as it pulls the by-then replicated chromosomes apart during binary fission.
So, the correct option is 'Elongation of plasma membrane'.

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Similar questions

State the difference between :
(a) Chromosome and chromatid,
(b) Centrosome and centromere,
(c) Aster and spindle fibres.
(d) Haploid and diploid

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