Formin Nucleates the Growth of Parallel Actin Bundles in the Cell

question 17

Multiple Choice

Formin nucleates the growth of parallel actin bundles in the cell. Additionally, myosin motor activity is positively regulated by phosphorylation. The monomeric G protein RhoA is important in cytokinesis, because it directly or indirectly …

• A) activates formins and inactivates myosin light-chain phosphatase.
• B) inactivates formins and activates myosin light-chain kinases.
• C) activates formins as well as myosin light-chain phosphatases.
• D) inactivates formins as well as myosin light-chain kinases.
• E) None of the above.

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