3) Smooth muscle contraction is regulated by: a) activation (excitation) of myosin. b) availability of binding sites on actin. c) phosphorylation of calmodulin. d) pre-contraction length of the myocyte.
3) Smooth muscle contraction is regulated by: a) activation (excitation) of myosin. b) availability of binding sites on actin. c) phosphorylation of calmodulin. d) pre-contraction length of the myocyte.
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,...
Related questions
Question
3) Smooth muscle contraction is regulated by:
a) activation (excitation) of myosin.
b) availability of binding sites on actin.
c) phosphorylation of calmodulin.
d) pre-contraction length of the myocyte.
Expert Solution
Step 1
Muscles are of three types:
- Skeletal muscle
- Smooth muscle
- Cardiac muscle
Smooth muscle is an involuntary muscle which is non striated in appearance . Their contraction is not under the will power of the individual.
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