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.
5 Major Perspectives in Psychology. Psychology is the scientific study of how we think, feel and behave. In this lesson, you'll get an overview of the five major perspectives that have guided modern psychological research. Why do you act the way you do? Have you ever wondered why some people are the life of the party and others prefer to curl up with a good book?