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.
What bond hold the backbone of DNA together (sugar-phosphate)? Hydrogen bonds hold the base pairs, but I don&#39;t know the outside of the double helix.hat bond hold the backbone of DNA together (sugar-phosphate)? Hydrogen bonds hold the base pairs, but I don&#39;t know the outside of the double helix.