The Answers is D because cell division purpose is grow and repair
Explanation:
Chromosomal DNA is packaged inside microscopic nuclei with the help of histones. These are positively-charged proteins that strongly adhere to negatively-charged DNA and form complexes called nucleosomes. Each nuclesome is composed of DNA wound 1.65 times around eight histone proteins.
7 + 5 = 12. But there is also electrons, and there is an equal amount. The atomic mass is 17.
Carbon Atoms are able to form 4 types of covalent bonds which ends up has covalent bonds