Structures of the Cell Quick Check
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Question
Proteins are important molecules that are synthesized, transported, and used in cells in a multitude of ways. The rough endoplasmic reticulum and Golgi apparatus have parts to play in this system. These functions are __________, respectively.
Identify the answer choice that correctly fills in the blank in the above passage.
(1 point)
Responses
protein making and protein packaging
protein making and protein packaging
DNA packaging and DNA storing
DNA packaging and DNA storing
DNA making and DNA packaging
DNA making and DNA packaging
protein packaging and lipid production
protein packaging and lipid production
protein making and protein packaging
To find the correct answer, we need to understand the functions of the rough endoplasmic reticulum and Golgi apparatus in relation to proteins.
The rough endoplasmic reticulum (RER) is responsible for protein synthesis. It is called "rough" because it has ribosomes attached to its surface, which are the sites of protein synthesis. Proteins are made by the ribosomes on the rough endoplasmic reticulum and then transported into its internal compartments for further processing.
The Golgi apparatus, on the other hand, is involved in protein packaging and modification. Proteins synthesized in the rough endoplasmic reticulum are transported to the Golgi apparatus, where they undergo modifications such as folding and adding specific molecular markers. The Golgi apparatus then packages the modified proteins into vesicles for transport to their final destination within the cell or for secretion outside the cell.
Therefore, the functions of the rough endoplasmic reticulum and Golgi apparatus in the given passage are "protein making and protein packaging," making option (A) the correct answer choice.
The correct answer is:
protein making and protein packaging