Psychological research has demonstrated that living in poverty has a wide range of negative effects on the physical and mental health and wellbeing of our nationâs children. Poverty impacts children within their various contexts at home, in school, and in their neighborhoods and communities.
Transformation. Definition. noun, plural: transformations. (1) The act, state or process of changing, such as in form or structure; the conversion from one form to another. (2) (biology) Any change in an organism that alters its general character and mode of life; post-natal biological transformation or metamorphosis. (3) (genetics) The genetic alteration of a bacterial cell resulting from the transfer of foreign DNA.
Lesson Summary. In summary, transformation is the process in which the genetic makeup of a cell is changed by introduction of DNA from the surrounding environment. To make bacterial cells competent for transformation, the cells are incubated in chilled calcium chloride.