Spirogyra differs from moss protonema in havi | vedclass

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(A) $Spirogyra$ is a green alga that possesses a characteristic spiral,ribbon-shaped chloroplast containing $Pyrenoids$ (proteinaceous centers for sta

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Pyrenoid

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(A) $Spirogyra$ is a green alga that possesses a characteristic spiral,ribbon-shaped chloroplast containing $Pyrenoids$ (proteinaceous centers for starch storage). In contrast,the protonema of a moss is a filamentous,green,branched structure that develops from the spore,but it lacks $Pyrenoids$. Therefore,the presence of $Pyrenoids$ is a distinguishing feature of $Spirogyra$ compared to the moss protonema.

Spirogyra differs from moss protonema in having

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