When a nutrient moves freely across the cell membrane from an area of higher nutrient concentration into an absorptive cell where the concentration of that nutrient is lower, this is called
A) active absorption.
B) passive diffusion.
C) facilitated diffusion.
D) phagocytosis.
Correct Answer:
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Q36: Which of the following is true about
Q37: The stomach empties into the small intestine
Q38: The muscular contractions that move food through
Q39: Which of the following organs is part
Q40: _ are protein-based substances that enhance digestion
Q42: Partially digested food that enters the small
Q43: Which of the following is true regarding
Q44: Which of the following organs serves as
Q45: Which of the following is both an
Q46: The villi of the small intestine
A) provide
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