In the DNA sequencing procedure, each of the four nucleotides is distinguished from the others by
A) its molecular size.
B) its position on a gel.
C) its chemical properties.
D) the color of a fluorescent dye attached to it.
E) how much of it is present.

Question

Quizplus · Accepted Answer

In DNA sequencing, a fluorescent dye is attached to each nucleotide, which emits a unique color when excited by a laser. Each nucleotide has a different color, allowing for their identification and sequence determination.

In the DNA Sequencing Procedure, Each of the Four Nucleotides