Which of These Statements Describes Contraction in Skeletal and Smooth

question 43

Multiple Choice

Which of these statements describes contraction in skeletal and smooth muscle

• A)In skeletal muscle, calcium ion mediates changes in thin filaments that lead to cross-bridge activity; in smooth muscle, calcium ion mediates changes in thick filaments that lead to cross-bridge activity.
• B)In skeletal muscle, troponin and tropomyosin are regulatory proteins; in smooth muscle, troponin is the only regulatory protein on thick filaments.
• C)In skeletal muscle, calcium ion binds to troponin; in smooth muscle, calcium ion binds to calmodulin.
• D)In skeletal muscle, calcium ion binds to calmodulin; in smooth muscle, calcium ion binds to troponin.

Understand the common operating systems used in different technology devices.

Recognize various components and features of the Windows operating system.

Identify the basic concepts and components of file management in operating systems.

Describe the process and importance of the computer boot process and hardware configuration.

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Definitions:

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