This process may be facilitated in a group setting, where additional aspects of problems are revealed through interaction with others. Kinds of humanistic existential psychotherapy are client-centered therapy, existential therapy, and Gestalt therapy. Also called existential humanistic psychotherapy.
During S phase the amount of DNA in the cell doubles because chromosomes are duplicated. As a result, the amount of DNA found in a cell in G2 is significantly higher than that of a cell in G1.
In the first growth phase (G 1), the cell grows and prepares to duplicate its DNA. In the synthesis phase (S), the chromosomes are replicated. In the second growth phase (G 2), the cell prepares to divide. In mitosis, the duplicated chromosomes are separated into two nuclei.