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.
The two halves of a chromosome are called chromatids, or, more fully, sister-chromatids.Each sister-chromatid contains one molecule of DNA.The two DNA molecules of one chro â¦ mosome are, barring occasional copying errors, genetically identical, because they were formed from the same original DNA molecule at the most recent replication.ach sister-chromatid contains one molecule of DNA. The two DNA molecules of one chro â¦ mosome are, barring occasional copying errors, genetically identical, because they were formed from the same original DNA molecule at the most recent replication.