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.
The cell cycle. 1  Gap 1 or G1 phase, where the cell grows in size, and checks that everything is OK for it to divide. 2  Synthesis or the S phase, where the cell copies its DNA. 3  Gap 2 or G2 phase, where the cells checks that all its DNA has been correctly copied. 4  Mitosis or M phase, where the cell finally divides in two.