Elongation of the microtubule occurs by the
A) addition of tubulin subunits to each end.
B) addition of tubulin subunits to the (+) end.
C) addition of the tubulin subunits to the (+) end but removal from the (-) end.
D) addition of G-actin subunits to the (+) end.
E) deletion of G-actin subunits from the (+) end.
Correct Answer:
Verified
Q1: Critical concentration is
A)the concentration of tubulin dimers
Q2: _ causes microtubules to form tight bundles
Q3: Tubulin may assemble and disassemble simultaneously in
Q5: Which of the following cytoskeletal proteins can
Q6: Cytoskeletal elements are found in the
A)Eubacteria.
B)Archaea.
C)Eukarya.
D)choices B
Q7: Intermediate filaments
A)were first discovered in muscle cells.
B)are
Q8: Capping proteins such as CapZ
A)cause microtubules to
Q9: Axonemal microtubules
A)are highly disorganized but very stable.
B)may
Q10: Microtubules have an inner diameter of _
Q11: Which of the following is not a
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