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D Question 38 1 pts You take a human smooth muscle cell and block the release of calcium from the sarcoplasmic reticulum. What effect does that have on contraction of that smooth muscle cell, and why? O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to calmodulin. O Contraction is completely blocked because calcium binding to troponin is required for contraction. O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to troponin. O Contraction is completely blocked because calcium binding to calmodulin is required for contraction.

D Question 38 1 pts You take a human smooth muscle cell and block the release of calcium from the sarcoplasmic reticulum. What effect does that have on contraction of that smooth muscle cell, and why? O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to calmodulin. O Contraction is completely blocked because calcium binding to troponin is required for contraction. O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to troponin. O Contraction is completely blocked because calcium binding to calmodulin is required for contraction.

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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esc 0 Question 38 You take a human smooth muscle cell and block the release of calcium from the sarcoplasmic reticulum. What effect does that have on contraction of that smooth muscle cell, and why? Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to calmodulin. O Contraction is completely blocked because calcium binding to troponin is required for contraction. O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to troponin. O Contraction is completely blocked because calcium binding to calmodulin is required for contraction. Question 39 The conformational change of retinal, from the cis to trans configuration, indirectly: 1 Q @ W # 3 E 80 $ 4 R F4 % 5 O F5 T 6 F6 Y 7 F7 * 8 DII FB 1 ( DD F10 1 pts O 1 pts
Transcribed Image Text:esc 0 Question 38 You take a human smooth muscle cell and block the release of calcium from the sarcoplasmic reticulum. What effect does that have on contraction of that smooth muscle cell, and why? Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to calmodulin. O Contraction is completely blocked because calcium binding to troponin is required for contraction. O Contraction still occurs because Ca2+ can enter the cell directly through Ca2+ channels in the plasma membrane and bind to troponin. O Contraction is completely blocked because calcium binding to calmodulin is required for contraction. Question 39 The conformational change of retinal, from the cis to trans configuration, indirectly: 1 Q @ W # 3 E 80 $ 4 R F4 % 5 O F5 T 6 F6 Y 7 F7 * 8 DII FB 1 ( DD F10 1 pts O 1 pts
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