L-dopa is effective against Parkinson's, but its enantiomer D-dopa is not. An enantiomers drug may not be equally effective. The enantiomer, in chemistry, is one of two stereoisomers that are mirror images of each other that are non-superposable, much as one's left and right hands are the same except for being reversed along one axis. It is also known as an optical isomer.
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Texas seventh-grade social studies standards - IXLB define and trace the impact of "boom-and-bust" cycles of leading Texas industries throughout the 20th and early 21st centuries such as farming, oil and gas .
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It could be b but I'm pretty sure it's C. CCC
Wants and needs is predominantly caused by brains in order to fulfill what our body considered missing. In order to fulfill this, our brain tend to give signals that make us focus to make that fulfillment before we could move on to others.
Because of this, our perceptions tend to be catered in order to finish this fulfillment. (for example, starving people may create a perception where they see anoher objects as an actual food)
Edward T. Hall developed the Iceberg Model of Culture in
1976. He hypothesized that culture was
like an iceberg in that there were two kinds: internal and external. External is
the outer manners of a society while internal are the principles, standards,
and thought patterns underlying those behaviors.
