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Question
Dollars fulfill three important economic functions: they serve as a unit of account, a medium of exchange, and a store of value. When economists say a dollar is "a unit of account" they mean that the dollar serves as a standard measure of value in the economy much like a mile is a standard measure of distance. To be a "medium of exchange" means that people don't have to worry about finding people to directly barter with to exchange goods. Because everyone sees dollars as valuable, we are all willing to accept them in exchange for whatever goods or services they have to offer. Finally, dollars serve as a store of value because they allow us to store our wealth over time. If you get five dollars in change after buying lunch, you can use that money later on to buy dinner. Your purchasing power is preserved across time.
Anything that fulfills these three functions can be thought of as money. Across history there are many examples of different commodities serving as money. Gold, silver, and other precious metals often come to mind. Roman soldiers were paid in salt (this is where we get the word salary in fact). ?But one of the strangest examples of money comes from the island of Yap. Listen to this short NPR story and then respond to the following:
1. Why were these stones valuable to the islanders?
2. Are giant stones as money any more strange than relying on gold?
Determine whether the statement is true or false, and why. "Hormones bond to a receptor protein to enter a cell and stimulate a response."
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rewrite this protein sequence using the full names of the amino acids and the one-letter amino acid abbreviations to get the message.
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Describe what might happen to the particles in the acceleration if the magnetic field was too weak?
Adding exogenous amino acids curtails the production of ammonia by enhancing the breakdown of endogenous proteins for energy.
Explain in terms of molecular polarity and intermolecular forces why the canola oil behaved as it did with the soot.
1. Differentiate the three types of cerebrovascular accidents (CVAs) with regard to their etiology and onset.
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Need to construct a hypothesis to explain differences you might observe when comparing the karyotypes of human cells which experience normal cell control vs cancerous cells. Do you have any ideas
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