I am a sequence that dictates life, made of four unique letters in a double helix shape. What am I?

Category: Science · Difficulty: hard

Hint: I hold the instructions for building proteins.

Answer

DNA strand

Explanation

DNA (deoxyribonucleic acid) is the molecule that contains the genetic instructions for life, structured as a double helix.

This is a hard science riddle — a tricky one that takes a little thought. The answer is DNA strand.

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