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 stage of the cell cycle when a cell is preparing itself to duplicate is called interphase. Most of the cell's life is spent in this stage. While preparing to reproduce, the cell makes more cytoplasm (the gel-like substance found inside the cell membrane that bathes the organelles) and increases its supply of proteins.