The Chief Function of the T-Tubules Is To

question 23

Multiple Choice

The chief function of the T-tubules is to:

• A) provide nutrients to the muscle fiber.
• B) allow for the fiber to contract.
• C) allow for electrical signals to move deeper into the cell.
• D) allow for the generation of new muscle fibers.

---

Definitions:

Marginal Cost Curve

A graphical representation that shows how the cost of producing one additional unit of a good changes as the level of production is varied.

Supply Curve

A graph showing the relationship between the price of a good and the quantity of the good that suppliers are willing to offer for sale.

Constant Cost Industry

An industry in which the input prices and the costs of production do not change as the industry's output changes.

Downward Sloping

Describes a curve or line on a graph that shows a decrease in one variable as another variable increases, typical of demand curves in economics.