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why is it necessary to break down proteins in the digestive system watch

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    can someone explain ? doing aqa biology
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    Hydrochloric acid + enzymes such as protease which breaks down proteins into amino acids.
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    I guess that is how... I was wondering about the why part
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    Also doing aqa bio rn and was wondering the same thing. I know that its bc protein molecules r too large to enter bloodstream but the question is worth 3 points, now what?
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    Not sure but I would Day that
    Most of the molecules we consume are too big to pass though the walls of our digestive system and so enzymes break them molecules including proteins into smaller, soluble versions so that they can pass through necessary walls, be absorbed by the body and reach cells for key use.
    Sorry, if that’s wrong
 
 
 
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