In Skeletal Muscle Contraction and Relaxation, Calcium Ions

question 12

Multiple Choice

In skeletal muscle contraction and relaxation, calcium ions

• A) bind to myosin myofilaments.
• B) are returned to the sarcoplasmic reticulum by active transport.
• C) are released from the T tubules by active transport.
• D) provide the energy for muscle contraction.
• E) have both bind to myosin myofilaments and are returned to the sarcoplasmic reticulum by active transport as normal properties.

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