Page 32 - E-Biology Sec.2 2024-2025 U1_Handy

b) Pancreatic juice: is secreted from pancreas in duodenum, it contains:

Sodium • Neutralizes HCl & makes alkaline medium (PH=8)

bicarbonate
Pancreatic amylase • Starch / glycogen + water Alkaline Maltose

Trypsinogen • Trypsinogen Enterokinase Trypsin
(Inactive)
By inner wall of small intestine
Lipase
• Protein + water Alkaline Polypeptides

• Emulsified fats + water Alkaline

Fatty acids + glycerol

c) Intestinal juice: is secreted by cells in the wall of small intestine, it has

enzymes; complete the action of the previous & end the digestion of all food:

Enterokinase • Coenzyme to activate trypsinogen.

Non dig. enzyme

Disaccharidases • Maltose Alkaline 2 Glucose
Maltase, • Sucrose Alkaline Glucose + Fructose
Sucrase, • Lactose Alkaline Glucose + Galactose
Lactase

Peptidase • Polypeptide chain Alkaline Amino acids

Several types

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First Term