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.
This replicated DNA molecule, in its condensed form, is now referred to as a chromosome. But, remember, there are two copies attached to each other until the genetic material is split so that each new cell gets a copy. During prophase and metaphase of mitosis, we have 22 pairs of homologous, duplicated autosomes.