96. An investigator is studying the contraction and relaxation of vascular smooth muscle in an experimental animal model. Which of the following describes the most likely order of events during this process? 0000000 2666 G) H) Myosin Light Chain Phosphorylation 1 2 2 3 3 4 4 Binding of Calcium to Calmodulin 3 1 4 2 4 2 Myosin Light Chain Dephosphorylation 2 3 4 3 4 2 1 Calcium Entry Into the Cell 4 2 3 1 3
96. An investigator is studying the contraction and relaxation of vascular smooth muscle in an experimental animal model. Which of the following describes the most likely order of events during this process? 0000000 2666 G) H) Myosin Light Chain Phosphorylation 1 2 2 3 3 4 4 Binding of Calcium to Calmodulin 3 1 4 2 4 2 Myosin Light Chain Dephosphorylation 2 3 4 3 4 2 1 Calcium Entry Into the Cell 4 2 3 1 3
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Transcribed Image Text:96. An investigator is studying the contraction and relaxation of vascular smooth muscle in an experimental animal model. Which of the following describes the most likely
order of events during this process?
0000000
200602
H)
Myosin Light Chain
Phosphorylation
1
2
2
3
3
4
4
Binding of Calcium
to Calmodulin
3
1
4
2
4
2
3
Myosin Light Chain
Dephosphorylation
2
3
4
3
4
2
1
2
Calcium Entry
Into the Cell
4
2
3
1
1
1
3
1
Expert Solution
Step 1
Smooth muscles are the non-striated muscles which are found in all the internal hollow body organs like gut wall, uterine muscles, blood vessel wall, etc.
The contraction of smooth muscle involves mainly the contribution of actin and myosin fibrils, Ca2+ ions, and ATP mainly.
The process is known as excitation contraction coupling.
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