6.6 cytoskeleton

Question 1

whats the cytoskeleton

Answer 1

a network of fibers that organizes structures and activities in the cell

Question 2

three types of molecular structures

Answer 2

microtubules
microfilaments
intermediate filaments

Question 3

function

Answer 3

• support

- maintain cell shape

Question 4

motor proteins

Answer 4

cell motility

• bend cilia and flagella by gripping microtubules within those organelles and sliding them against each other
• like traveling along monorails provided by the cytoskeleton

Question 5

microtubules

Answer 5

the thickest

Question 6

microfilaments

Answer 6

the thinnest

Question 7

intermediate filaments

Answer 7

middle range fibers

Question 8

structures of the 3

Answer 8

microtubules: hollow rod of alpha and beta dimers
microfilaments: actin
intermediate filaments: proteins in the keratin family