Giant kelp (*Laminaria*) is an extremely large species of multicellular marine brown alga.

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Brown algae (Phaeophyta) are multicellular marine seaweeds. They contain photosynthetic pigments, including chlorophyll a, chlorophyll c, $$\beta$$-carotene, and fucoxanthin, and store energy as laminarin. Structurally, they attach to substrates using holdfasts and possess leaf-like blades and stalks, though these do not represent true plant leaves, stems, or roots.

Brown Algae

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.

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