The Following Is a List of the Events That Occur

question 99

Multiple Choice

The following is a list of the events that occur during a muscle contraction. What is the correct sequence of these events?
1) Myosin cross-bridges bind to the actin.
2) The free myosin head splits ATP.
3) Calcium ion is released from the sarcoplasmic reticulum.
4) The myosin head pivots toward the center of the sarcomere.
5) Calcium ion binds to troponin.
6) The myosin head binds an ATP molecule and detaches from the actin.

• A) 1, 3, 5, 4, 6, 2
• B) 5, 1, 4, 6, 2, 3
• C) 3, 5, 1, 2, 4, 6
• D) 3, 5, 1, 4, 6, 2
• E) 1, 4, 6, 2, 3, 5

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Definitions:

Parenting

The process of raising and nurturing children from infancy through adulthood.

Mothers

Adult female parents who have given birth to, adopted, or otherwise taken on the nurturing and raising of children.

Fathers

Male parents who contribute to the conception, raising, or emotional support of their child or children.

Separation

A process or state in which people or things are placed apart from each other.