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Review of Prokaryotic Surface Structures

7. Prokaryotic Cell Structures & Functions / Review of Prokaryotic Surface Structures / Problem 2

Which characteristic distinguishes heterocysts from other cells in cyanobacteria?

A

Thickened cell walls and dense cytoplasmic content

B

They lack photosynthetic pigments

C

High chlorophyll concentration

D

They lack a proper nucleus

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