Q. Changes in cell shape occur due to changes in the orientation of cytoskeletal elements.

View solution

Q. Which of the following acts as an attractant for axons?

View solution

Q. When was the first experimental evidence provided for axonal outgrowth and motility?

View solution

Q. Advancing edge of the lamellipodium is filled with actin.

View solution

Q. Which of the following are used to study cell locomotion in fish?

View solution

Q. Fluorescently labeled _________ can reveal the attachment sites of fibroblasts on substratum.

View solution

Q. The Wiskott-Aldrich syndrome is caused due the lack of functional ____________ protein.

View solution

Q. Lamellipodium is a protrusion of ________________

View solution

Q. ActA, a surface protein activates the ______________

View solution

Q. An organism in which cell motility takes place solely as a result of actin polymerization is ____________________

View solution

Q. The protein responsible for muscular dystrophy, dystrophin, is a __________ protein.

View solution

Q. Cross-linking proteins villin and fimbrin are found in ___________

View solution

Q. Filamin is an example of ___________ proteins.

View solution

Q. Which of the following can fragment actin filaments?

View solution

Q. Which of the following has an opposing role as that of thymosin?

View solution

Q. Tropomodulin is a ___________

View solution

Q. Monomer-sequestering proteins are responsible for high concentration of G-actin in nonmuscle cells.

View solution

Q. Which of the following binds to G-actin?

View solution

Q. Which of the following nucleating protein generates unbranched actin filaments?

View solution

Q. Nucleation is the slowest step in actin filament formation.

View solution