Q:

For each of the digestive functions A–E, select the most appropriate digestive enzymes from the following list of enzymes

safaTerkawi
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2022-08-09
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For each of the digestive functions A–E, select the most appropriate digestive enzymes from the following list of enzymes.

 1. Rennin.

2. Endopeptidases.

3. Sucrase.

4. Alpha-amylase.

5. Deoxyribonuclease

  1. Acts on protein to produce polypeptides and amino acids.
  2. Acts on DNA to produce nucleotides.
  3. Acts on a disaccharide to produce fructose and glucose.
  4. Acts on starch to produce dextrins and maltose.
  5. Acts on milk to produce a clot.
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safaTerkawi
2022-08-09
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A. Option 2 Endopeptidases. Secreted by the pancreas in an inactive form, the endopeptidases that include trypsin, chymotrypsin and elastase split the peptide bonds in polypeptides.

B. Option 5 Deoxyribonuclease. RNA is split by ribonuclease.

C. Option 3 Sucrase. Two other disaccharidases present in intestinal secretions, lactase and maltase, split lactose and maltose into galactose and glucose and glucose and glucose respectively.

D. Option 4 Alpha-amylase. Alpha amylase is produced by the salivary glands as well as by the pancreas.

E. Option 1 Rennin. Found in the gastric juice of infants, rennin aids in milk digestion by causing it to clot and slow its passage out of the stomach.

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