A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually used to buil
d a cell's plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the __________.a. Golgi apparatusb. smooth endoplasmic reticulumc. plasma membraned. transport vesiclese. rough endoplasmic reticulum
The proteins are synthesised in the ribosomes attached to the endoplasmic reticulum.
The synthesised proteins have to be destined to perform various function sin the cells which need modification of the proteins. The organelle which provides a site for this modification is known as the Golgi apparatus.
In the given question since the protein synthesised by the ribosome differs from the protein when it becomes part of the plasma membrane, therefore, some modification like in the given case prenylation and farnesylation takes place in the Golgi apparatus.
