Please answer the following question by reasoning step-by-step.
What detects hybrids of the substance that helps assemble proteins?\nOptions:\n- (A) orchids\n- (B) sensory neurons\n- (C) peachleaf willow\n- (D) luminometer\n- (E) A computer\n- (F) animals\n- (G) A Greek letter\n- (H) scattered light

(D)
DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.

RNA hybrids are then detected by a luminometer.

A luminometer detects hybrids of the substance that helps assemble proteins.

.

Therefore, the answer is (D)