An incomplete protein contains fewer than all nine essential amino acids, however incomplete proteins can be combined in meals to make a complete protein (for example by combining rice and beans or peanut butter and toast).
Psychology is the study of behavior and mind, embracing all aspects of conscious and unconscious experience as well as thought. It is an academic discipline and an applied science which seeks to understand individuals and groups by establishing general principles and researching specific cases.
Background information about studying Psychology. Psychology is the study of human behaviors using scientific methods to both analyse and explain different human behaviors. It has recently been reclassified by the QCA as a science subject. The course is full of case studies, theories and going in depth about certain behaviors.