Calcium Turns on Cross Bridges by Physically Repositioning the Troponin-Tropomyosin

question 26

Multiple Choice

Calcium turns on cross bridges by physically repositioning the troponin-tropomyosin complex to uncover the actin cross-bridge binding sites in

• A) skeletal muscle
• B) cardiac muscle
• C) smooth muscle
• D) all of these
• E) skeletal and cardiac muscles

---

Definitions:

Non-Cancelable

A term used in contracts and agreements indicating that the contract cannot be canceled or terminated by the parties involved without consequences.

Nonrenewable

Resources or energy sources that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption.

Implicit Rate

The interest rate inherent in a lease, not explicitly stated, used to determine lease payments.

Incremental Borrowing Rate

The incremental borrowing rate is the interest rate a company would have to pay if it borrows additional funds.