____ are chains of chemicals arranged like rungs on a twisting ladder.
A) Genes
B) Neurons
C) Opsins
D) Neurotransmitters

Question

Quizplus · Accepted Answer

Genes are made up of DNA, which is arranged in a double helix structure like a twisting ladder. The rungs of the ladder are composed of four different chemicals called nucleotides: adenine (A), guanine (G), cytosine (C), and thymine (T). The specific sequence of these nucleotides determines the genetic code of an organism.

____ Are Chains of Chemicals Arranged Like Rungs on a Twisting