The pyrenoids which lie embedded in the chloroplast of the vegetative cells of Ulothrix and Spirogyra are
A
Starch bodies with proteinaceous envelops
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B
Starch bodies with lipid coat
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C
Protein bodies with starch envelops
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D
Protein bodies with lipid coat
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Solution
The correct option is C Protein bodies with starch envelops In Ulothrix and Spirogyra, few pyrenoids remain embedded in the chloroplast. A pyrenoid, is a protein body, usually surrounded by an envelope of starch grains.