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Question

Identify the steps (denoted by numerals) in physiology of digestion in stomach.

i).Food HClKills Bacteria Chyme

ii).Pepsinogen Prorennin HClActivation Pepsin Rennin

iii).Proteins Pepsin Proteases Peptones

iv).Milk Casein RenninPara casein Calcium Calcium paracaseinate


A
i). Acidification ii). Activation by HCl iii). Digestion iv). Digestion of Milk in infants
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B
i). Deactivation ii). Acidification iii). Activation by HCl iv). Digestion
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C
i). Activation by HCl ii). Digestion iii). Deactivation iv). Acidification
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D
i). Digestion ii). Deactivation iii). Acidification iv). Activation by HCl
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Solution

The correct option is A i). Acidification ii). Activation by HCl iii). Digestion iv). Digestion of Milk in infants

In the physiology of digestion in the stomach, the major changes occurring are:

i). Acidification of food to kill microbes and turn it into Chyme.

ii). Activation of inactive or pro-enzymes like Pepsinogen and Prorennin into Pepsin and Rennin, by the action of HCl.

iii). Digestion of proteins by Pepsin to convert them into Proteoses and Peptones.

iv). Rennin breaks down milk protein into Paracasein and then converts it into Calcium

Paracaseinate in the presence of calcium, to break it further into Proteoses and peptones.

So the correct option is :A. i). Acidification, ii).Activation by HCl, iii). Digestion of proteins, and iv). Digestion of Milk protein in Infants.


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