The blue-and-red image is an up-close description of the structure that is in the black-and-white photo above it. What do you think the function of the long, narrow, fibrous protein is in this structure?

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey

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