You subtract the number of protons and the mass to get the number of neutrons.
At the bottom is the common phospholipid ,phosphatidylcholine.lipids are a group of naturally occurring molecules the include fats ,waxes ,sterols ,fat-soluble vitamins.
1:I'm pretty sure the answer is Metaphase because the cell didn't split apart or start to yet.
2: Is Anaphase
3: Telophase
4: Cytokinesis