Question

chromosomes contain the entire genome of a cell proteins dna mitochondria ribosomes

Explanation:

Chromosomes are thread - like structures made of DNA and proteins. They carry genetic information in the form of DNA. A cell's genome is not entirely contained within chromosomes as mitochondria also have their own DNA. Mitochondria and ribosomes are separate organelles and structures in the cell, not components of chromosomes.

Answer:

B. proteins, C. DNA