Pyrenoids primarily contain

lipids.

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proteins.

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starch.

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proteins and starch.

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Solution

The correct options are
B
proteins.

C
starch.

Pyrenoids primarily act as centers of carbon dioxide fixation in algae, creating and ensuring a carbon dioxide - rich environment. They sometimes assist in the catalyzing of inorganic carbon dioxide into starch. In some types of algae, pyrenoids serve as storage sites for carbohydrates. Hence, they are rich in proteins and starch.

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Similar questions

Pyrenoids are made up of

A. Core of starch surrounded by protein sheath

B. Proteinaceous center and starchy sheath

C. Core of protein surrounded by nucleic acid sheath

D. Core of protein surroundes by fatty sheath

List I	List II
(A) Chlorophylls a & c, fucoxanthin and mannitol	(I) Porphyra
(B) Chlorophylls a & d, phycoerythrin and floridian starch	(II) Volvox
(C) Chlorophylls a & b, pyrenoids with starch and proteins	(III) Hibiscus
(D) Chlorophylls a & b, carotene and xanthophylls, leucoplasts store carbohydrates, fats and proteins	(IV) Dictyota (V) Anabaena

	$I$		$I I$
$(a)$	Chlorophylls $a$ and $c$ , fucoxanthin and manitol	$(i)$	Porphyra
$(b)$	Chlorophylls $a$ and $d$ , phycoerythrin and floridean starch	$(i i)$	Volvox
$(c)$	Chlorophylls $a$ and $b$ , pyrenoids with starch and proteins	$(i i i)$	Hibiscus
$(d)$	Chlorophylls $a$ and $b$ , carotenes and xanthophylls	$(i v)$	Dictyota
$(e)$	Chlorophylls $a$ and $b$ , carotenes, xanthophylls, leucoplasts store carbohydrates, fats and proteins	$(v)$	Anabaena

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