The Binding of Calcium to the Troponin Complex

question 60

Multiple Choice

The binding of calcium to the troponin complex

• A)disrupts cross-bridges,allowing filaments to slide past each other.
• B)allows tropomyosin to bind actin.
• C)opens ion channels,allowing sodium to rush into the muscle cells.
• D)causes tropomyosin to shift position,exposing myosin bind sites on actin.

---

Definitions:

Net Exports

The balance achieved by subtracting a nation's total import value from its total export value.

Domestic Investment

Financial investments within a country's borders in the form of business expansions, new construction, and purchases of machinery and equipment.

National Saving

National saving is the total amount of savings generated within a country, typically calculated as the sum of private and public saving.

Net Capital Outflow

The contrast between the investments made by citizens in foreign assets and those made by non-citizens in the nation's assets.