Microtubules are strings of tubulin proteins that are formed from a
A) Dimer of ?-tubulin.
B) Single string of ?-tubulin.
C) Dimer of one ?-tubulin and one ?-tubulin.
D) Hexamer of ?-tubulins and ?-tubulins twisted together.
Answer: C
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Which serous membrane covers the surface of an organ?
A. The parietal layer B. The visceral layer C. The ventral layer D. The muscle layer E. The dorsal layer
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What will be an ideal response?
Each thin filament consists of
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