Algae
Which of the following algal divisions is characterized by possession of chlorophylls A and B, paramylon as the energy storage material, and the presence of a pellical instead of a cell wall?

Pyrrophyta
Euglenophyta
Chlorophyta
Chrysophyta

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Algae
Which of the following best describes the algae known as diatoms?

Cells have flagella and a light-detecting eye spot
Cells contain carotenoid pigments as well as chlorophyll A and B
Cells have intricate shells of silicon dioxide with two halves
Cells are encased in rigid walls composed of cellulose coated with silicon

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