Lysosomes were discovered within the eukaryotic endomembrane system in the 1960s by the Belgian scientist Christian de Duve (1917–2013).

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Lysosomes are membrane-bound organelles belonging to the endomembrane system that contain digestive enzymes. They function to break down external particles, such as food, microorganisms, and immune complexes, as well as internal debris like damaged organelles, while keeping these enzymes compartmentalized to protect the cytoplasm.

Lysosomes

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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