Which of the Following Is NOT a Property of the Classical

question 3

Multiple Choice

Which of the following is NOT a property of the classical pathway C3 convertase?

• A)Composed of proteolytic fragments of C4 and C2
• B)Has protease activity specific for C3 to form C3b
• C)Inhibited by decay acceleration factor (DAF)
• D)Stabilized by C4 binding protein (C4bp)
• E)Same substrate specificity as the alternative pathway C3 convertase

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Definitions:

Dural Venous Sinus

A channel through which venous blood drains from the brain and meninges back towards the heart.

Dural Venous Sinus

Vein-like spaces between the dura mater layers of the brain, draining blood from the brain.

Subarachnoid Space

The area between the arachnoid membrane and the pia mater around the brain and spinal cord, filled with cerebrospinal fluid.

Midsagittal Section

A vertical plane that divides the body into equal right and left halves, commonly used in anatomical terminology.