Cytoskeleton

Question 1

Intermediate filaments in the nuclei of cells

Answer 1

Lamins (not to be confused with LAMININS)

Question 2

Intermediate filaments in epithelia and related structures

Answer 2

Keratins

Question 3

Intermediate filaments in neurons

Answer 3

Neurofilaments

Question 4

Intermediate filaments in fibroblasts

Answer 4

Vimentins

Question 5

Intermediate filaments in glia

Answer 5

Glial Fibrillary Acid Proteins (GFAPs)

Question 6

Intermediate filaments in skeletal, cardiac, and smooth muscle

Answer 6

Desmin

Question 7

Example of a microtubule associated protein (MAP)

Role

Answer 7

tau

role in microtubule assembly and stability

Question 8

Filaments are made from more than one subunit

What are the subunits

Answer 8

Microtubules

alpha and beta

Question 9

Filaments are made from only one subunit type

Answer 9

Actin

alpha, beta, and gamma

Question 10

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

Answer 10

Filopodia

Question 11

Thin sheet-like projections that pull cells through tissues

Answer 11

Lamellopodia

Question 12

Guide cells through embryonic development

Answer 12

Membrane blebbing

Question 13

Allow for local degradation of extracellular matrix

Answer 13

Invadopodia

Question 14

Located behind lamellopodium.

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

Answer 14

Lamella,

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