Physical Evidence That Supports the Sliding Filament Theory of Muscle

question 13

Multiple Choice

Physical evidence that supports the sliding filament theory of muscle contraction includes

• A) constant distance between Z lines during contraction.
• B) decreased width of the H band during contraction.
• C) increased width of the I band during contraction.
• D) decreased width of the A band during contraction.
• E) the I band + H band distance is constant during contraction.

---

Definitions:

Commoditized Products

Goods that are interchangeable with others of the same type because there is little differentiation in quality or features among producers.

One-Stop Shop

A business or service that offers a wide array of products or services, allowing customers to fulfill all their needs in one place.

Distribution Network

The interconnected group of storage facilities and transportation systems that move goods from producers to consumers.

High Profitability

A situation where businesses or investments return a significantly higher profit relative to their costs.