Phospholipids consist of a polar molecule, a phosphate group, a glycerol unit and two fatty acids. They are found in cell membranes, which enclose the cytoplasm and other parts of a cell. Steroids include cholesterol, cortisone and sex hormones, such as estrogen, testosterone and progesterone. They have a carbon backbone that contains four fused ring-like structures.
These are common questions, particularly after someone finds out their score from an IQ test. Lewis Terman (1916) developed the original notion of IQ and proposed this scale for classifying IQ scores: Over 140 - Genius or near genius. 120 - 140 - Very superior intelligence.
The Genius Score. Psychologists have a conflicting view on what a genius actually is. However, a score of 140 or higher on a correctly administered IQ test is generally accepted as the bottom line genius. To put that into perspective, the mean average IQ in the United States is 98. American Mensa: Psychological Testing.