Ch 17 - Cytoskeleton - Quiz

Question 1

Which of the following cytoskeletal elements relies on ATP hydrolysis for assembly and disassembly?
Intermediate filaments
Actin
Kinesin
Microtubules

Answer 1

Actin

Question 2

which of the following proteins would have perinuclear staining?
myosin
microtubules
intermediate filaments
actin

Answer 2

intermediate filaments

Question 3

which component of a sarcomere hydrolyzes ATP to generate movement?
Z disk
tropomyosin
actin
myosin

Answer 3

myosin

Question 4

Taxol prevents the disassembly of which cytoskeletal element?

Answer 4

microtubules

Question 5

if you wanted to interfere with the movement of a sperm’s flagella which protein would you try to target?

Answer 5

dynein

Question 6

a patient comes in complaining of weak and brittle hair and nails. she states that her mother and grandmother also suffer from this condition. you order a genetic analysis to see if there is a mutation in a protein that may explain these symptoms. Which protein are you expecting to see a mutation in?

Answer 6

Keratin

Question 7

which of the following cytoskeletal elements has no polarity?
actin
myosin
intermediate filaments
microtubules

Answer 7

intermediate filaments

Question 8

you are trying to prevent cancer cells from migrating to other tissues. you need to inhibit the activity of which cytoskeletal protein?

Answer 8

actin

Question 9

Use the image of a sarcomere to answer the following question. which letter is labeling the Z disk?

Answer 9

C

Question 10

Use the image of a sarcomere to answer the following question. Which letter indicates where thick filaments can be found?

Answer 10

B