Of the Step in Excitation-Contraction Below, Which Occurs Last

question 49

Multiple Choice

Of the step in excitation-contraction below, which occurs last?

• A) exposed actin sites bind with myosin cross bridges.
• B) sodium channels open in the fiber's membrane.
• C) calcium is released from the sarcoplasmic reticulum.
• D) troponin binds calcium.
• E) attachment of ATP allows for cross bridge detachment.

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Definitions:

Head Start

A program in the United States that provides comprehensive early childhood education, health, nutrition, and parent involvement services to low-income children and families.

Cognitive Development

The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding, throughout a person's lifespan.

Focus School

An educational institution that concentrates on a specific curriculum or set of skills, targeting particular learning needs or interests.

Preschool Intervention

Programs or strategies aimed at enhancing the development, learning, and well-being of preschool-aged children.