Diatoms can reproduces sexually or asexually. They contain outer cell walls of crystallized silica called frustules.

Stramenopiles

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Stramenopiles have chlorophyll a, chlorophyll c1/c2, and fucoxanthin as photosynthetic pigments. Their storage carbohydrate is chrysolaminarin.

Characteristics of Stramenopiles

Diatoms

Brown algae are multicellular seaweeds that have plant like leaves, stalks, and structures, but no true leaves or roots. They use laminarin as a storage carbohydrate.

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