B) 60° north latitude and 0° longitude
Protein digestion occurs in the stomach and the duodenum<span> through the action of three main enzymes: pepsin, </span>secreted<span> by the stomach, and trypsin and chymotrypsin, </span>secreted<span> by the pancreas. During carbohydrate digestion the bonds between glucose molecules are broken by </span>salivary<span> and </span>pancreatic<span> amylase.
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By the Chromosomes in the dna
