Which of the following statements about microtubules is TRUE?
A) Motor proteins move in a directional fashion along microtubules by using the inherent structural polarity of a protofilament.
B) The centromere nucleates the microtubules of the mitotic spindle.
C) Because microtubules are subject to dynamic instability, they are used only for transient structures in a cell.
D) ATP hydrolysis by a tubulin heterodimer is important for controlling the growth of a microtubule.
Correct Answer:
Verified
Q11: Intermediate filaments are made from elongated fibrous
Q12: All intermediate filaments are of similar diameter
Q13: Microtubules are important for transporting cargo in
Q14: Which of the following statements about the
Q15: You are studying nuclear lamins and use
Q17: The microtubules in a cell form a
Q18: Which of the situations below will enhance
Q19: You discover a protein, MtA, and find
Q20: Intermediate filaments help protect animal cells from
Q21: Cell movement involves the coordination of many
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents