Multiple choice

Chromosome is made up of nucleic acid and _________.

  1. lypase

  2. proteins

  3. glucose

  4. sucrose

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

Chromosomes are composed of DNA (nucleic acid) tightly coiled around histone proteins. This DNA-protein complex is called chromatin. The other options are enzymes (lypase), carbohydrates (glucose, sucrose) - not structural components of chromosomes.