Biology help!?

Posted on 2015-09-18 07:03:00 in Biology by IIAN

1. After absorption, structure __ would have the highest concentration of indigestible matter:
A- lumen of small intestine
B- lacteal
C- blood capillaries
D- epithelial cells
E- muscle layers

2. Produces enzymes that digest disaccharides into monosaccharides:
A- lumen of small intestine
B- lacteal
C- blood capillaries
D- epithelial cells
E- muscle layers

Which of the following is TRUE? (Choose both correct answers)
A- Chemical digestion increases surface area for mechanical digestion
B- Mechanical digestion increases surface area for chemical digestion
C- Emulsification increases surface area for chemical digestion
D- Enzymes increase surface area for mechanical digestion

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