Cytoskeleton Flashcards Preview

Biochemistry > Cytoskeleton > Flashcards

Flashcards in Cytoskeleton Deck (14):
1

Intermediate filaments in the nuclei of cells

Lamins (not to be confused with LAMININS)

2

Intermediate filaments in epithelia and related structures

Keratins

3

Intermediate filaments in neurons

Neurofilaments

4

Intermediate filaments in fibroblasts

Vimentins

5

Intermediate filaments in glia

Glial Fibrillary Acid Proteins (GFAPs)

6

Intermediate filaments in skeletal, cardiac, and smooth muscle

Desmin

7

Example of a microtubule associated protein (MAP)

Role

tau

role in microtubule assembly and stability

8

Filaments are made from more than one subunit

What are the subunits

Microtubules

alpha and beta

9

Filaments are made from only one subunit type

Actin

alpha, beta, and gamma

10

Explore the extracellular environment and are important for the guidance of nerve growth cones and angiogenic blood vessels.

Filopodia

11

Thin sheet-like projections that pull cells through tissues

Lamellopodia

12

Guide cells through embryonic development

Membrane blebbing

13

Allow for local degradation of extracellular matrix

Invadopodia

14

Located behind lamellopodium.

Couples ____ ___ to ______ - mediated contractility and substrate (e.g. ____ or ________) adhesion necessary for cell to move

Lamella,

Actin network to myosin-II mediated contractility and substrate (e.g. ECM or another cell) adhesion necessary for cell to move