Percentage of DNA in a chromosome is:
Correct answer: C. 40%
- A. 60%
- B. 80%
- C. 40%
- D. Very small
Explanation
Chromosomes are composed of DNA and histone proteins. Most are about 40 % DNA and 60 % histone proteins. A significant amount of RNA is also associated with the chromosomes.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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