Apart from chlorophyll, algae and cyanobacter | vedclass

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(A) The characteristic colours of algae and cyanobacteria are due to the presence of specific accessory pigments in addition to chlorophylls.$1$. Blue

Vedclass · Accepted Answer

Blue-green: Phycocyanin; Red: Phycoerythrin; Brown: Fucoxanthin

Vedclass · Answer

(A) The characteristic colours of algae and cyanobacteria are due to the presence of specific accessory pigments in addition to chlorophylls.$1$. Blue-green algae ($BGA$ or Cyanobacteria) contain phycocyanin, which gives them their characteristic blue-green colour.$2$. Red algae (Rhodophyceae) contain a large amount of $r$-phycoerythrin, which masks the green colour of chlorophyll and imparts a red appearance.$3$. Brown algae (Phaeophyceae) contain high levels of fucoxanthin, a xanthophyll pigment that provides their characteristic brown colour.Therefore, the correct pigments are: Blue-green: Phycocyanin; Red: Phycoerythrin; Brown: Fucoxanthin.

Apart from chlorophyll, algae and cyanobacteria have several other pigments. Which pigments are found in blue-green algae $(BGA)$, red algae, and brown algae, that are responsible for their characteristic colours?

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