The Proteins That Release Ca₂+ from the SR into the Cytosol

question 15

Multiple Choice

The proteins that release Ca₂+ from the SR into the cytosol of sm ooth m uscle are

• A) RyR
• B) SERCa₂a
• C) IP3R
• D) NCX
• E) Both A and C are correct

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Definitions:

Fibrous Joint Capsule

A component of a joint surrounded by connective tissue that encloses the ends of bones in a joint, providing stability and strength.

Synovial Joints

Joints that are enclosed in a capsule of connective tissue and contain a lubricating synovial fluid, allowing for smooth movement.

Hyaline Cartilage

A type of connective tissue found in areas such as the nose, trachea, and at the ends of bones, providing support and flexibility.

Synovial Membrane

A layer of connective tissue that lines the inner surface of joints, capsules, and tendon sheaths, secreting synovial fluid for lubrication.