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Which of the following are NOT energy reserves?

A) lipid inclusions
B) polysaccharide granules
C) carboxysomes
D) metachromatic granules
E) sulfur granules

1 Answer

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The correct answer is C) carboxysomes

Carboxysomes are polyhedral inclusion bodies that contain enzyme ribulose- 1,5-bisphosphate carboxylase/oxygenase (RuBisCO). This is responsible for the fixation of carbon dioxide in cyanobacteria. Carboxysomes have evolved as a consequence of the increase in oxygen concentration in the ancient atmosphere.

Thus, carboxysomes are not energy reserves, unlike another offered answers.

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