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Ayushree
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Asked: 2025-10-09T03:58:49+00:00 In:

Neha consumed boiled sweet potatoes and boiled eggs for breakfast. Help her to understand some steps in the process of digestion of the food taken by her by answering the questions given below. Which of these food items is rich in proteins? In which part of the alimentary canal is the digestion of this component initiated? Name the enzymes, conditions required and the glands associated with the digestion here.

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Eggs are rich in proteins. The digestion of proteins is initiated in the stomach. Gastric glands present in the wall of the stomach release hydrochloric acid, a protein digesting enzyme called pepsin and mucus. The hydrochloric acid creates an acidic medium which facilitates the action of enzyme pepsin.

cbse sample paper 2025 to 2026 class 10

cbse sample paper 2025 to 2026 class 10 science

cbse sample paper 2025 to 2026 class 10 with solutionsconditions required and the glands associated with the digestionconsumed boiled sweet potatoes and boiled eggs for breakfastenzymes
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    1. Boiled eggs are rich in proteins. Protein digestion begins in the stomach. The gastric glands present in the stomach wall secrete gastric juice containing pepsin enzyme and hydrochloric acid. Hydrochloric acid creates an acidic medium, which activates pepsin from its inactive form, pepsinogen. Pepsin then breaks down complex protein molecules into smaller peptides. The mucus secreted by the stomach lining protects it from acid damage. Thus, the stomach is the first site where protein digestion starts effectively in humans.

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