It was exposed to oxygen. This is called oxidation and it's a chemical reaction, meaning it can't be reversed.
Answer:
The correct answer is - chromatin network.
Explanation:
Chromatin network is the scientific term used for the description " tangled network of chromosomes located within the nucleus". It is the network that contains the DNA of the nucleus and if the protein and DNA both are present called chromatin.
Chromosomes are present in the nucleus within the chromatin network tangled. Chromatin network packaging part for the DNA. It packs all the DNA or long chromosome in the nucleus inside a cell.
<span>C is the correct answer. Electrons are not in a fixed position — they float around the outside of the nucleus in a cloud. In contrast, the protons and neutrons are found inside the nucleus. Electrons are also much smaller than both protons and neutrons.</span>
Answer: food enters the human body through the mouth and leaves the digestive system.