It initially created many more jobs, by enhancing worker productivity through the use of technology (from an electric drill, to a calculator). As technology progressed the tools became more powerful, and it then became more efficient to use more capital and less labour in these industries.
CH 9 1. When a DNA molecule doubles, a chromosome is then made up of two joined _______. Answer: chromatids 2. Prokaryotic DNA molecules are packaged by _______ proteins, which associate with DNA. Answer: basic 3. In general, the division of the cell, called _______, follows immediately upon mitosis.
DNA's structure comes in the form of a double helix. Replication is when the amino acid sequences within the DNA makes another copy of itself, resulting in 2 identical (idea â¦ lly) molecules of DNA. JD Heyl.ell's nucleus. It contains the majority of the genetic code for  the cell. The nucleus maintains the integrity of the cell and  regulates cell replication.