Question

cells lack pyrenoids in ​

Answer 1

Answer:

Pyrenoids are sub-cellular micro-compartments found in chloroplasts of many algae,[1] and in a single group of land plants, the hornworts.[2] Pyrenoids are associated with the operation of a carbon-concentrating mechanism (CCM). Their main function is to act as centres of carbon dioxide (CO2) fixation, by generating and maintaining a CO2 rich environment around

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Answer 2

Cells lack pyrenoids in Bryophyta.

• Pyrenoids are dense structures present in the chloroplast of algae. They are basically storage bodies.
• At the centre, it contains protein and is surrounded by a sheath of starch.
• It is most commonly found in many species of Chlorophyceae algae.
• But cells of bryophytes lack pyrenoids except that of Anthoceros.