Answer:
begins in the mouth(ptyalin converting carbohydrate to maltose), stops in the illeum (secretion of amylase) and Is completed in the body cells(to release energy)
It is a unit for volume.
Hope this helped.
Answer:
in my opinion I think it's amino Acids
<span>It binds itself to the receptors present on the surface of the cell membrane, which activates the enzymes present inside cell. Then It passes through the cell membrane and attaches itself to a receptor protein present in the cytoplasm.
It passes on the signal to the secondary messengers inside the cell, which activate the receptors on the cell membrane.</span>
