Active transport is used in the gut when there is a low concentration of nutrients in the gut, but a high concentration of nutrients in the blood.
- when there is higher concentration of glucose and amino acids in the gut they diffuse naturally into the blood
- But- sometimes there is a lower concentration of nutrients in the gut than there is in the blood.
- This results in then concentration gradient being the wrong way.
- This process is Active Transport
Active Transport allows nutrients to be taken into the blod, despite the concentration gradient the wrong way.
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