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Prosthecae helps in __________

  • A.motility
  • B.nutrient absorption and attachment to surfaces
  • C.human infection
  • D.protection from environment

Answer: B

Correct answer: nutrient absorption and attachment to surfaces

A prostheca is a stalk-like extension of the cell wall and membrane. It increases the surface area available for absorbing nutrients - a real advantage in dilute water - and, with a holdfast at its tip, anchors the cell to a surface. Caulobacter is the classic example.

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