Which one of the following is not a brush boarder enzyme of intestine
A
Maltase
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B
Sucrase
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C
Lactase
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D
Lipase
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Solution
The correct option is A Maltase
Brush border enzymes are the enzymes are those secreted by the brush border of the small intestine ie the villi which are present in the intestine.
These enzymes are secreted by the integral proteins present in the apical border of the plasma membrane of the villi.
Maltase for digestion of maltose sugar, Sucrase for digestion of sucrose, Lactase for digestion of Lactose and other enzymes for digestion of polysaccharides and proteins are secreted by the intestine.
Where as enzymes for the digestion of lipid ie lipase are secreted by pancreas.
Therefore the correct answer for the question is option D.