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The study of biology works from several basic foundations:

The study of biology works from several basic foundations:

1. The [[cell]]ular theory of life. All life is composed of at least once cell, which undergoes the classical processes of cellular life; the cell is the basic unit of all macrobiotic life. The chemical composition of all cells in nature is similar, and all existing cells have emerged from prior cells through the processes of cellular division, generally through [[mitosis]] but with meiosis playing a significant role.

1. The [[cell]]ular theory of life. All life is composed of at least once cell, which undergoes the classical processes of cellular life, such as [[reproduction]]; the cell is the basic unit of all macrobiotic life. The chemical composition of all cells in nature is similar, and all existing cells have emerged from prior cells through the processes of cellular division, generally through [[mitosis]] but with meiosis playing a significant role.

2. Genetic theory. All cells encode their genetic information in the form of DNA, the fundamental component of genes. These genes transfer the physical, and often psychological, traits of one generation of organism to the next.

2. Genetic theory. All cells encode their genetic information in the form of DNA, the fundamental component of genes. These genes transfer the physical, and often psychological, traits of one generation of organism to the next.