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.
Normally, mitosis causes a duplication, followed by a halving of chromosome material, so that each cell doubles the number of chromosomes to 92, and then splits in half, so that the normal total of 46 is resumed. Mitosis begins in the fetus after fertilization.