She discovered that folate was crucial to sperm development. <span>It has been found that folate may have been the driving force behind the evolution of darker skin, factors such as clothing and climate affect the evolution of skin pigment. </span>
<span>The correct answer is ‘Aristotle’. Aristotle and Plato developed the idea of ranked classification. Ranked classification involves two names, one for the genus and a second part. For example, in ‘Canis lupus’ (wolf), ‘Canis’ is the genus name and shared by all close relatives, and ‘lupus’ is specific to the wolf.</span>
This is because the active
site of the receptors on the cell and the hormone are akin to lock and key
respectively. The conformations of the receptor’s active site and the hormone allow them to
interlock with specificity. The receptor (which is a transmembrane protein) is
connected to second messengers inside of the cell that triggers a biochemical
cascade in response to the hormone.
