In addition, another type of orange oil is extracted from a different species of orange tree. Orange oil is a popular essential oil that is used in aromatherapy to treat various health problems, so understanding the differences between the orange oils is useful to know. Bitter Orange Oil Bitter orange (Citrus aurantium var. amara) oil is extracted from the the fruit of the bitter orange tree by cold expression.
Therefore, every living cell of a plant should contain all the genes the plant has and thus has the capacity to grow back to a full plant. This is called cell totipotency . The process of specializing cellsâ functions is called cell differentiation . It is accompanied by morphogenesis, the change of the cellsâ morphology. Differentiation is done by turning on certain genes and turning off some others at a certain time.
The goal is to have stem cell lines derived from embryonic stem cells. Cells from these lines are totipotential because in theory, they can be transformed into any kind of tissue by the appropriate biological and chemical manipulations.