Indicate True (T) and False (F) Statements Below Regarding RNA

Short Answer

Indicate true (T) and false (F) statements below regarding RNA editing. Your answer would be a four-letter string composed of letters T and F only, e.g. TTTF.
( ) RNA editing in animal cells mainly takes place through adenine or cytosine deamination.
( ) RNA editing can change the pattern of pre-mRNA splicing.
( ) RNA editing in coding regions can result in changes in the protein sequence.
( ) Retroviruses such as HIV encode RNA-editing components to confront the host defense mechanisms.