Indicate Whether Each of the Following Descriptions Applies to Myosins

Short Answer

Indicate whether each of the following descriptions applies to myosins (M), kinesins (K), or dyneins (D). Your answer would be a five-letter string composed of letters M, K, and D only, e.g. MMMDD.
( ) They have larger structures than the other two.
( ) They are generally faster than the other two.
( ) They are structurally unrelated to the other two.
( ) They walk on a different cytoskeletal filament than the other two.
( ) They are all minus-end directed.