MOLECULAR CELL BIOLOGY CHAPTER 18 FULL TEST BANK WITH ACTUAL QUESTIONS AND CORRECT SOLUTIONS GUARANTEED PASS

MOLECULAR CELL BIOLOGY CHAPTER 18 FULL
TEST BANK WITH ACTUAL QUESTIONS AND
CORRECT SOLUTIONS GUARANTEED PASS


◉The major component of cilia . Answer: Microtubules


◉What drives chromosome movement in mitosis? . Answer: Motor
proteins and microtubule dynamics


◉At what end of the microtubule is the y-tubulin ring complex found? .
Answer: (-) end


◉What are responsible for "capturing" chromosomes during mitosis? .
Answer: Kinetochore microtubules


◉What structures are involved in cell movement? . Answer:
Microtubules and microfilaments, NOT intermediate filaments.


◉Which tubulin subunits bind to nucleotides? . Answer: Alpha and
Beta-tubulin


◉Are intermediate filaments polarized structures? . Answer: No

, ◉What end of the microtubule is anchored at the centrosomes? .
Answer: The (-) end


◉When are microtubules more dynamic? . Answer: During mitosis


◉A shrinking microtubule peels off at its ____ end with beta-tubulin
bound with ____. . Answer: (+), GDP


◉Is branching included in the description of dynamic instability of
microtubules? . Answer: Nope


◉Is actin a GTPase? . Answer: Nah.


◉How is mictrotubule protofilament formed? . Answer: By the head to
tail association of tubulin dimers


◉How is a dynein motor linked to its cargo? . Answer: It is linked
through the associated dynein complex.


◉What kind of cytoskeletal element is nuclear lamin? . Answer:
Intermediate filament