Which is true of muscle contraction?A. Sarcolemma becomes permeable to `Ca^(2+)` ionB. Sarcolemma becomes permeable to `Na^(+)` ionsC. Sarcolemma becomes nonpermeable to `Na^(+)` ionsD. Concentration of `Ca^(2+)` ions is reduced in myoplasm.

Which is true of muscle contraction?A. Sarcolemma becomes permeable to

1.	Which is true of muscle contraction?A. Sarcolemma becomes permeable to `Ca^(2+)` ionB. Sarcolemma becomes permeable to `Na^(+)` ionsC. Sarcolemma becomes nonpermeable to `Na^(+)` ionsD. Concentration of `Ca^(2+)` ions is reduced in myoplasm.
Answer» Correct Answer - B

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Which is true of muscle contraction?A. Sarcolemma becomes permeable to `Ca^(2+)` ionB. Sarcolemma becomes permeable to `Na^(+)` ionsC. Sarcolemma becomes nonpermeable to `Na^(+)` ionsD. Concentration of `Ca^(2+)` ions is reduced in myoplasm.

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