What specialized organelles are found in sperm cells and how do they keep the organism alive?

Specialized sperm cells are necessary for human reproduction. These cells are made up predominantly of a nucleus. Unlike some stationary cells, these cells are highly mobile as they must move to locate an egg for fertilization to occur. The mitochondria within the sperm cell provides the energy that specialized cells of this type require to move at such high rates of speed.

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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human impact on the environment can be seen in the deterioration of the !

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