Multiple choice

Chromosome is a linear thread-like strand made up of _______.

  1. DNA and proteins

  2. DNA and RNA

  3. DNA and minerals

  4. DNA and lipids

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chromosomes are composed of DNA tightly coiled around proteins called histones. This DNA-protein complex is called chromatin. The proteins help organize and regulate the DNA.