Which of the following chemicals is the first

hormone secreted by the intestinal tract in response
to the presence of food?
a. insulin
b. cholecystokinin
c. gastric inhibitory peptide (GIP)
d. gastrin
e. secretin


Answer: d

Biology & Microbiology

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Indicate whether the statement is true or false

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Which of the following statements about skeletons is NOT true?

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