Which Statement BEST Describes the Activity of the Protein Cross-Bridges

question 20

Multiple Choice

Which statement BEST describes the activity of the protein cross-bridges during an isometric muscle contraction?

• A)Cross-bridge tension is greater than external forces.
• B)Actin and myosin slide and become closer to each other.
• C)Cross-bridge tension equals external forces.
• D)Actin and myosin become farther apart.

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Definitions:

Price Variance

The difference between the actual cost of a good or service and its expected or standard cost, which can signal efficiency issues or market fluctuations.

Direct Materials

Raw materials that can be directly traced to the manufacturing process of a product and are a significant component of its production cost.

Unfavorable

A term often used in budgeting and financial analysis to describe results that are worse than expected or budgeted figures.

Cost Variance

The difference between actual cost and the flexible budget at actual volumes.