I am doing a chart on function and structure and i am stumped by this question
Modified cell products must arrive to specific docking sites—where they are necessary—
What structure tells the vacuole to dock where it needs to?
- Would this be the nucleus, the nucleus has the DNA and transfers it to the RNA and that says how the organelles are placed inside the plant.
To answer this question, we need to analyze the process of modified cell products arriving at specific docking sites. The structure that is responsible for telling the vacuole where to dock is the Golgi apparatus.
The Golgi apparatus is an organelle involved in the modification, sorting, and packaging of proteins and lipids for transport within the cell or secretion from the cell. It functions as a processing center for these molecules, ensuring they are properly modified and sorted before reaching their final destinations.
When modified cell products leave the Golgi apparatus, they are enclosed in small vesicles. These vesicles carry the modified molecules and transport them to specific docking sites, where they will be utilized within the cell or secreted outside the cell.
The docking process is facilitated by a variety of molecular interactions between the vesicles and target membranes. These interactions involve proteins on the surfaces of both the vesicles and target membranes, which allow the vesicles to specifically recognize and fuse with their intended docking sites.
Therefore, it is the specific interactions between proteins on the vesicles and proteins on the target membranes that determine where the docking occurs. These interactions ensure that modified cell products are delivered precisely where they are needed within the cell. The DNA in the nucleus, on the other hand, provides the instructions for protein synthesis but does not directly control the docking of vesicles.
In summary, it is the Golgi apparatus and the molecular interactions between vesicles and target membranes that determine the docking sites for modified cell products.