vesicles that transfer substances between rER and Golgi apparatus & between Golgi apparatus and Plasmalemma to ( extrude ) screte the substances out of the cell are :
1- consist of phospholipid
2- consit of carbohydrates
3- consist of proteins
4- automatic يعني ===>> ((( don't nee aid for movement )))
choose & give your raisons ???
انا عرفته
هيــــــــــــــــــــــــــــــــه
وانتم
