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.
Just like any other cell: Exactly one set of DNA. In a human, that means 23 chromosome pairs. The DNA copies itself whenever a cell divides into two. The exception would be sex cells: Sperm cells and eggs, each of which contain only half of the DNA structure, and become complete when a sperm cell enters an egg.