Indicate Whether Each of the Following Descriptions Better Applies to T-SNAREs

Short Answer

Indicate whether each of the following descriptions better applies to t-SNAREs (T) or v-SNAREs (V). Your answer would be a three-letter string composed of letters T and V only, e.g. TVV.
( ) They are usually located on the target membrane.
( ) They are composed of a single polypeptide chain.
( ) They are usually associated with inhibitory proteins that can be released by Rab proteins.