#Question id: 2428
#Unit 2. Cellular Organization
Which of the following prevent(s) acting disassembly?
a. cytochalasin D b. jasplakinolide c. latrunculin d. phalloidin
#Question id: 2429
#Unit 2. Cellular Organization
Which of the following statements is (are) true of actin assembly?
a. ADP-actin can assemble into filaments.
b. Actin (+) ends grow faster than actin (-) ends.
c. ATP-actin can assemble into filaments.
d. Toxins that alter the assembly of actin filaments have been used as tools to study actin in living cells.
#Question id: 2430
#Unit 2. Cellular Organization
Actin-binding proteins that generate actin filament bundles:
#Question id: 2431
#Unit 2. Cellular Organization
Examples of actin cross-linking proteins include
a. fimbrin. b. dystrophin. c. α-actinin. d. spectrin. e. myosin S1.
#Question id: 2432
#Unit 2. Cellular Organization
Which of the following parts of myosin interact(s) with actin?
a. head b. neck c. tail
d. essential light chain e. regulatory light chain
#Question id: 2433
#Unit 2. Cellular Organization
All types of myosins
a. bind and hydrolyze ATP.
b. bind actin filaments.
c. form dimers.
d. contain an associated myosin light chain.
e. move toward the (+) end of an actin filament.