BLG311 Chapter 16 Lecture Notes.docx - BLG311 Chapter 16...

This preview shows page 1 - 2 out of 3 pages.

BLG311 Chapter 16 Lecture Notes Features of Healthy Cells Able to rearrange their internal components as they grow, divide and adapt to changing circumstances To be able to change their shape and move from place to place Properly structured internally Be physically robust Be correctly shaped Interact mechanically with their environment and with each other Ability to organize themselves in space Cytoskeleton Filaments which spatial and mechanical functions depend on Made up of three protein filaments… o Actin filaments Determine shape of cell’s surface Are necessary for whole-cell locomotion Drive the force to help dividing one cell into two (cytokinesis) Muscle contractions o Microtubules Determine position of membrane-enclosed organelles Direct intracellular transport Form the mitotic spindle that segregates chromosomes during cell division o Intermediate filaments Provide mechanical strength Nuclear lamina Present in cytoplasm Cell junction

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture