The following molecule shown below is Lipitor,a drug prescribed to lower cholesterol levels.How many aromatic rings does it contain,how many ð electron pairs are part of its conjugated system,and how many atoms are part of its conjugated system? 
Definitions:
Grandmother Hypothesis
A theory suggesting that the presence and assistance of grandmothers in caring for grandchildren can increase the survival chances of the grandchildren, thereby enhancing the grandmother's genetic legacy.
Reproductive Senescence
The phase in an organism's life characterized by a decrease in reproductive capacity and output, often associated with aging.
Illustrates
To clarify or make something understandable by providing examples, diagrams, or analogies.
Group Selectionist
An advocate for the theory that natural selection operates on groups as well as on individuals, favoring groups that function well as a unit.
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