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11. Following figure shows the leading edge of a lamellipodium. Which of the following statements is false. cell leading edge actin monomers capping protein A. Nucleation of new filaments near the leading edge pushes the plasma membrane forward. B. ARP proteins nucleate the branched actin filaments in the lamellipodium. C. Capping proteins bind to the minus end of actin filaments. D. There is more ATP-bound actin at the leading edge than in the actin filaments away from the leading edge. 12. Which of the statements below about intermediate filaments is false. A. They can stay intact in cells treated with oncentrated salt solutions. B. They can be found in the cytoplasm and the ucleus. C. They can be anchored to the plasma membrane at a ell-cell junction D. Each filament is about 10 µm in diameter.

11. Following figure shows the leading edge of a lamellipodium. Which of the following statements is false. cell leading edge actin monomers capping protein A. Nucleation of new filaments near the leading edge pushes the plasma membrane forward. B. ARP proteins nucleate the branched actin filaments in the lamellipodium. C. Capping proteins bind to the minus end of actin filaments. D. There is more ATP-bound actin at the leading edge than in the actin filaments away from the leading edge. 12. Which of the statements below about intermediate filaments is false. A. They can stay intact in cells treated with oncentrated salt solutions. B. They can be found in the cytoplasm and the ucleus. C. They can be anchored to the plasma membrane at a ell-cell junction D. Each filament is about 10 µm in diameter.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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11. Following figure shows the leading edge of a lamellipodium. Which of the following statements is false. cell actin leading edge monomers capping protein A. Nucleation of new filaments near the leading edge pushes the plasma membrane forward. B. ARP proteins nucleate the branched actin filaments in the lamellipodium. C. Capping proteins bind to the minus end of actin filaments. D. There is more ATP-bound actin at the leading edge than in the actin filaments away from the leading edge. 12. Which of the statements below about intermediate filaments is false. A. They can stay intact in cells treated with concentrated salt solutions. B. They can be found in the cytoplasm and the nucleus. C. They can be anchored to the plasma membrane at a cell-cell junction D. Each filament is about 10 um in diameter.
Transcribed Image Text:11. Following figure shows the leading edge of a lamellipodium. Which of the following statements is false. cell actin leading edge monomers capping protein A. Nucleation of new filaments near the leading edge pushes the plasma membrane forward. B. ARP proteins nucleate the branched actin filaments in the lamellipodium. C. Capping proteins bind to the minus end of actin filaments. D. There is more ATP-bound actin at the leading edge than in the actin filaments away from the leading edge. 12. Which of the statements below about intermediate filaments is false. A. They can stay intact in cells treated with concentrated salt solutions. B. They can be found in the cytoplasm and the nucleus. C. They can be anchored to the plasma membrane at a cell-cell junction D. Each filament is about 10 um in diameter.
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