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Suppose a standardized test given to ninth-graders in Texas has a mean score of 125.Suppose at a given school in Texas, the ninth-graders have a mean score of 105.Why is this discrepancy present, and is it problematic?
Rugae
The folds in the mucous membrane of the stomach, which allow for expansion as the stomach fills.
Hydrolysis
A process where water is utilized to decompose a specific substance by breaking its bonds.
Polypeptides
Chains of amino acids linked by peptide bonds, which can function independently or as part of larger protein molecules.
Pepsinogen
An inactive precursor of pepsin, secreted by the stomach lining; it is converted to pepsin in the presence of stomach acid to digest proteins.
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