The answer is; chromosomes.
During interphase, the chromosomes are usually hard to visualize even under a microscope becaue they are long thin threads called chromatin. During the initiation of mitosis, the chromatin undergo structural changes that condense and shortens them and they becomes visible to even a light microscope.
What is the most common lipid characterized by a four-ring core structure found in animals?
Cholesterol
Hope this helps.
It causes pollution
It can cause loss of life
I would say C Duplication since both of the DNA sequences are identical.