The Sliding Filament Model of Contraction Involves ________

question 117

Multiple Choice

The sliding filament model of contraction involves ________.

• A) actin and myosin lengthening in order to slide past each other
• B) the Z discs sliding over the myofilaments
• C) actin and myosin sliding past each other and partially overlapping
• D) the shortening of thick filaments so that thin filaments slide past

---

Definitions:

Fixed Costs

Fixed costs are expenses that do not change with the level of production or business activity.

Average-Fixed-Cost Curve

A graphical representation showing how the average fixed costs of production decrease as output increases, due to spreading fixed costs over a larger number of units.

Total-Cost Curve

A graph that shows the total cost of producing different quantities of a good or service.

Marginal-Cost Curve

A graphical representation that shows how the cost of producing one additional unit of a good varies as the production volume changes.