Respuesta :
The correct answer is DNA.
Each chromosome is made up of DNA tightly coiled many times around proteins that support its structure :)
Each chromosome is made up of DNA tightly coiled many times around proteins that support its structure :)
ANSWER:
A chromosome is composed of DNA
EXPLANATION:
In the nucleus of every cell, the DNA molecule is packaged within thread-like formations known as chromosomes. Each chromosome is composed up of DNA tightly looped many times around proteins termed histones that maintain its structure