The sarcoplasmic reticulum stores ____ when a muscle is relaxed and releases it for binding to ____ during contraction

a. calcium, troponin
b. calcium, tropomyosin
c. sodium, tropomyosin
d. potassium, tropomyosin
e. sodium, troponin


A

Anatomy & Physiology

You might also like to view...

The right and left atria depolarize and contract following the arrival of the action potential from the __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The following are structural components of the conducting system of the heart. 1. Purkinje fibers 2. AV bundle 3. AV node 4. SA node 5. bundle branches The sequence in which excitation would move through this system is which of the following?

A) 1, 4, 3, 2, 5 B) 3, 2, 4, 5, 1 C) 3, 5, 4, 2, 1 D) 4, 3, 2, 5, 1 E) 4, 2, 3, 5, 1

Anatomy & Physiology

Large birds can break or amputate fingers with their beaks

Indicate whether the statement is true or false

Anatomy & Physiology

What five questions are important to ask when inquiring about vaccinations?

What will be an ideal response?

Anatomy & Physiology