Biology · Cell Biology

Cellular actin levels can be as high as 100-400 μM. Of this, unpolymerized G-actin concentration can be as much as 50-200 μM. However, the critical concentration for actin polymerization in vitro is about 0.2 μM. Which of the following selections lists proteins that function in cells to inhibit or suppress the assembly/polymerization of actin filaments? A. Thymosin-β4 B. Capping protein CapZ C. Tropomodulin D. XMAP215

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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A, B and C only

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