1. "Refer" and "level" are palindromes.

2. 1 "Refer" and "level" are palindromes.

3. 2 The words 'deed' and 'level' are palindromes.

4. The formation of Cruciform DNA requires the presence of palindromes called inverted repeat sequences

5. However, he continued to contribute material to Word Ways for several decades, including memorable articles on palindromes, anagrams, panalphabetic windows, pangrammatic windows, self-referencing acrostics, and vocabularyclept poetry.

6. Double-stranded inverted repeats or DNA palindromes have the potential to form Cruciform structures by intrastrand base pairing to extrude a pair of stem-loop structures under conditions of