D should be correct sorry if wrong
Peristalsis helps in storing food, breaking down food down and mixing it with juices secreted by stomach lining. Peristalsis in stomach helps in partial digestion of food called chyme.
Answer:
B I think let me know if it's correct or wrong
Answer:
The shape of the active site may not be complimentary to the substrate anymore, so the substrate may bot be able bind to the active site
