Which of the following substances does NOT require the interaction with a protein in the intestinal tract to be absorbed?
A) vitamin B12
B) iron
C) calcium
D) sodium
E) fat- soluble vitamins
Correct Answer:
Verified
Q52: Which of the following is a gastric-
Q53: What causes peristalsis?
A)contraction of the circular muscle
Q54: To increase the absorptive efficiency of the
Q55: The absorption of fructose across the apical
Q56: What is a glucose polymer found in
Q58: What cells secrete pepsinogen into the lumen
Q59: Which cell secretes gastrin into the bloodstream?
A)neck
Q60: What are the two sources of bicarbonate
Q61: In order to begin the process of
Q62: The products of fat degradation are absorbed
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