In 1952, chemists Harold Urey and Stanley miller mixed ammonia, methane, and hydrogen in a closed container, zapped it with electrical sparks, and found that they had created many amino acids.
What are Amino Acids?
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common.
According to the positions of the primary structural functional groups, amino acids can be categorized.
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Answer:
Nanjing Massacre
Explanation:
the mass killing and the ravaging of Chinese citizens and capitulated soldiers by soldiers of the Japanese Imperial Army after its seizure of Nanjing, China. Happened from 1937-1938
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To ensure border states remained in the union, he never said his goal was to end slavery, only that it was to save the union.
Answer:
They reopened trade with the Middle East during the fourteenth century. They allowed the exchange of ideas and learning with the Arabs.
Explanation: