These regions are typically covered in microvilli and are named for their fuzzy appearances on light microscopy. For 10 points each:
[10h] Name these striated regions. The presence of these regions helps differentiate the proximal tubule of the kidney from the distal tubule.
ANSWER: brush borders
[10e] Brush borders in this organ are the site of most nutrient absorption and secrete enzymes to complete the digestion of nutrients.
ANSWER: small intestine
[10m] The intestinal brush border contains carboxypeptidase, one of these enzymes that like trypsin and chymotrypsin hydrolyze peptide bonds.
ANSWER: proteases
<AW, Biology>