Dial Cell membranes Flashcards
What are the subunit types of microtubules?
alpha and beta tubulin dimers
What are the subunit types of microfilaments?
Actin
What are the subunit types of intermediate filaments?
Lamins
Keratins
Vimentin
Neurofilaments
What are the cellular functions of microtubules?
Axonal transport
Spindle apparatus
Cilia/flagella
What are the cellular functions of microfilaments?
Muscle contraction
Vesicle transport
Stress fibers
What are the cellular functions of intermediate filaments?
Neuromuscular integrity
Skin integrity
What motor proteins are involved with microtubules?
Kinesin move to positive end of microtubule
Dynein move to negative end of microtubule
Dynamin
What motor proteins are involved with microfilaments?
Myosin
What do tight junctions do?
Prevent paracellular transport
Purpose of adherens and desmosomes?
Cell to cell adhesions (cadherens)
Where are adherens anchored?
Actin filaments
Where are desmosomes anchored?
Intermediate filaments
What is fibrillin’s function?
Provide scaffolding for elastin to orient itself on
