In Skeletal Muscle Cells,calcium Initiates Contraction by Binding to

question 28

Multiple Choice

In skeletal muscle cells,calcium initiates contraction by binding to

• A)tropomyosin.
• B)actin.
• C)troponin.
• D)myosin.
• E)the thick filament.

---

Definitions:

Pulmonary Fibrosis

A lung disease that occurs when lung tissue becomes damaged and scarred, leading to severe breathing difficulties.

Inspiratory Reserve Volume (IRV)

The maximum volume of air that can be inhaled beyond the normal tidal volume inhalation, used in pulmonary function testing.

Expiratory Reserve Volume (ERV)

The maximum volume of air that can be forcibly exhaled after the expiration of a normal tidal volume.

Expiratory Capacity (EC)

The maximum volume of air that can be exhaled after a normal inhalation.