The organization of myosin in smooth and striated muscle:
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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Question
The organization of myosin in smooth and striated muscle:
A.) differ because smooth muscle lacks sarcomeres
B.) is identical but the organization of actin is different
C.) is identical but the isoforms of myosin differ
D.) differ because striated muscle myosin forms filaments but smooth muscle myosin does not
ATP is required for:
a.) the phosphorylation of the myosin head in smooth muscle
b.) the movement of tropomyosin on the actin filament
c.) the swing of the myosin lever arm
d.) A and B
e.) tethering troponin I to troponin C
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