Alcohol is a poison (for yeast as well as for people) and so the yeast is not able to grow when the alcohol content gets too high. This is why wine is never more than about 12% alcohol.
Ideally the strong nuclear force would say how the protons and neutrons are bonded together, but there is a conceptual chasm in this area. It is unclear how the residual nuclear force (at nucleus level) emerges from the strong force (at quark level), except as a general concept that the gluons leak out.
Yes, all atoms have a nucleus! The Nucleus is the part of the atom which holds the Protons and Neutrons, the Electrons orbit the atomic nucleus. The atomic nucleus is diffâ¦erent to the nucleus of a cell, which holds genetic information and allows the cell to operate. Answer above provided by Runehally16.