Phylum Porifera
A Tour of the Cell, cont… Last Time: The Nucleus and the Endomembrane System Today: Other Organelles and the Cytoskeleton.
Network of protein fibers extending throughout the cytoplasm Function in providing for both structural support and cell motility Require interaction.
The cytoskeleton The cell surface and junctions
INVERTEBRATES About 97 percent of all animals are invertebrates.
Cytoskeleton
Chapter 27
A Tour of the Cell, cont…
