EDTA Is a Chemical That Binds to and Removes (Chelates)divalent

Multiple Choice

EDTA is a chemical that binds to and removes (chelates) divalent cations from solution.Treatment of isolated axonemes with EDTA leads to the removal of the inner and outer arms extending from the A microtubules of the axoneme.Which of the following statements wouls appear to be true based on this information?

A) Potassium ions are required for dynein to bind to the A tubules of the axoneme.
B) Chlorine ions are required for dynein to bind to the A tubules of the axoneme.
C) Magnesium ions are required for dynein to bind to the A tubules of the axoneme.
D) Magnesium ions are required for tubulin to bind to the A tubules of the axoneme.
E) Sodium ions are required for tubulin to bind to the A tubules of the axoneme.