Select all that apply. The synthesis of proteins occurs:
spontaneous bonding of amino acids
through the presence of enzymes
by coded instructions contained in DNA
random combinations of amino acids

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answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.