BI-640
Digestive enzymes
Biology · Secondary 3 · Medium · Digestive enzymes
Which statement explains why large protein molecules in food must be digested before they can be absorbed into the bloodstream?
- Proteins must be converted to glycogen before they can enter cells.
- Proteins are too large and insoluble, so they must be broken into small soluble amino acids.
- Proteins are toxic unless removed completely from the body.
- Proteins cannot mix with blood unless they remain in large molecules.
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