Which action results in contraction of smooth muscle but not other muscle tissue?
A.
B.
C.
D.
Correct. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Incorrect. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Animation 47.2 Quiz
What did the experiments described in the tutorial demonstrate about intestinal smooth muscle tissue?
A.
B.
C.
D.
Correct. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Incorrect. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Animation 47.2 Quiz
What is the form of the signal that moves from one smooth muscle cell to the next in smooth muscle tissue following the initial stimulation of one cell by a neurotransmitter?
A.
B.
C.
D.
Correct. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Incorrect. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Animation 47.2 Quiz
Refer to the table below.
A biologist uses the same experimental setup shown in the tutorial to investigate the effect of compound X on intestinal smooth muscle tissue. He incubates the smooth muscle samples in buffer alone or in buffer containing compound X before making any neurotransmitter additions. Based on the results from the experiments summarized in the table, what is a possible mechanism of action of compound X?
A.
B.
C.
D.
Correct. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract
Incorrect. See Key Concept 47.1 Interactions of Actin and Myosin Cause Muscles to Contract