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.
There is also the matter of commitment; the test looks for speed, whereas true brilliance often is the work of a lifetime. And then there are very brilliant people who do not even have IQs that are sky high. Stephen Hawkingâs IQ is reportedly around 160. Genius level, certainly, but way below 200.