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.
Her IQ score means she can apply to be a member of Mensa - the organisation which accepts anyone in the top 2 percent of the population in terms of IQ. A 'genius' level score is considered to be anything over 140. There seems to be a growing number of super-bright schoolgirls in Britain.