Structure of this puzzle's theme, hidden in five answers

Question:

Answer:

DOUBLEHELIX

Length:

Similar Crossword Questions:

1997 Kevin Kline film, and a hint to the puzzle theme hidden in four answers
Theme of this puzzle hidden in the seven other longest across answers
HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Bit of footwear that appears at both ends of this puzzle's theme answers
Thought hidden in eight long puzzle answers
They swing up and down in this puzzle's theme answers
Human fingerprint, and what's hidden in five puzzle answers
Big fight, and clue to this puzzle's theme that begins the four longest answers
___ to school . . . or a hint to the puzzle theme suggested by the ends of five answers
A different one is hidden in each of this puzzle's seven longest answers
Agent "embedded" in this puzzle's theme answers
Shoe additions, and what this puzzle's theme answers contain
Appliances hidden in seven answers in this puzzle
1961 #1 hit for Dion, and a literal hint to this puzzle's hidden theme
What one gets by multiplying the numbers in this puzzle's theme answers
Surplus integral to this puzzle's theme answers
Intel collector hidden in nine puzzle answers
NFL tiebreakers hidden in this puzzle's nine longest answers
Write in any of this puzzle's eight theme answers?
What this puzzle's theme answers contain (if you look closely enough)
Five of them are hidden in this puzzle's longest answers
They're hidden in this puzzle's six longest answers
'Spring forward' occasion hidden in 10 answers in this puzzle
Wise guys featured in this puzzle's theme answers
Grate, with "get," or what this puzzle's theme answers get