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Lecture

Cell Types

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School
Department
Biology
Course
BIOL 2050U
Professor
Peter Cheung
Semester
Fall

Description
Cell Types  Cells are structural and functional units  Small cells: bigger surface area per volume → allows exchange of more nutrients/waste  Large cells: smaller surface area per volume → problems to transport waste out of cell  More nutrients → more waste Table 1-10-1: Differences between prokaryotic and eukaryotic cells Feature Prokaryotic (bacteria) Eukaryotic (plant/animal/fungi) Size Small cells - 5µm Large cells - 50µm Capsule (protection) Present Absent In fungi (chitin) Cell wall Present (peptidoglycan) In plants (cellulose) NOT in animals Plasma membrane Present Present Cytopla
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