Are the discs in the golgi apparatus connected?

Question

Most textbooks depict the golgi apparatus as a number of discs flattened against each other. The discs in my textbook are also shown as separate, but it has arrows directing proteins entering in one disc and exiting through another disc. If the golgi apparatus itself is considered an organelle as a whole, that suggests that the parts of the apparatus work together, which would probably be unlikely if they were not connected together. So my question is... Are these discs connected, and if so, do the proteins really enter in the first disc and exit out the last?

Answer 1

the golgi apparatus of plant cells are about 1-3 u in length and about 0.5u high....the golgi bodies of plant cells and golgi apparatus of animal cells basically have a similar structure...each type of organelle is disc shaped and consists of central,flattened,plate like compartments or cisternae,peripheral network of interconnecting tubules,and peripherally occuring vesicles and golgian vacuoles...

cistrenae are central,flattened,plate like or saucer like closed compartments which are parallel bundles or stacks one above the other......

tubules form a complicated network towards  the periphery and maturing face of apparatus..actually tubules rise due to fenestrations of the cisternae...THESE TUBULES INTERCONNECT THE VARIOUS CISTERNAE........

the important function of golgi apparatus is to package the material and prepare for secretions...the material to be secreted moves from ER to the golgi apparatus and fuse with the CIS-cisternae(convex end)...most proteins that are synthesized at ER, are glycoproteins which,after being transported to golgi apparatus,are modified therein....depending upon the target site,and the different fates,specific groups are added to the proteins here and then sent to their proper location enclosed in the vesicles that bud off from golgi apparatus.....

Answer 2

Golgi apparatus are connected