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The Golgi Apparatus Quiz

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Questions and Answers

What is the Golgi apparatus?

The Golgi apparatus is an organelle found in most eukaryotic cells that packages proteins into membrane-bound vesicles inside the cell before sending them to their destination.

Who discovered the Golgi apparatus?

The Golgi apparatus was discovered by Italian biologist and pathologist Camillo Golgi in 1898.

What is the importance of the Golgi apparatus in processing proteins?

The Golgi apparatus is important in processing proteins for secretion, containing a set of glycosylation enzymes that attach various sugar monomers to proteins as they move through the apparatus.

What did some initially doubt about the discovery of the Golgi apparatus?

Some initially doubted the discovery, arguing that the appearance of the structure was merely an optical illusion created by the observation technique used by Golgi. Signup and view all the answers

When was the Golgi apparatus discovered?

The Golgi apparatus was discovered in 1898 by Italian physician Camillo Golgi during an investigation of the nervous system. Signup and view all the answers

What is the significance of the Golgi apparatus in protein processing?

It contains glycosylation enzymes for attaching sugar monomers to proteins Signup and view all the answers

What is the function of the Golgi apparatus?

Packaging proteins into membrane-bound vesicles Signup and view all the answers

Who was the Italian biologist and pathologist who identified the Golgi apparatus?

Camillo Golgi Signup and view all the answers

What term did Camillo Golgi initially use for the Golgi apparatus?

Apparato reticolare interno Signup and view all the answers

Why was the discovery of the Golgi apparatus initially doubted?

Some argued that the appearance of the structure was merely an optical illusion Signup and view all the answers

Study Notes

Definition and Function

The Golgi apparatus is a membrane-bound organelle found in eukaryotic cells.
It functions in processing, modifying, and packaging proteins and lipids for secretion or delivery to other organelles.

Discovery

The Golgi apparatus was discovered by Italian biologist and pathologist Camillo Golgi in 1898.
Initially referred to as the "internal reticular apparatus" by Golgi.

Importance in Protein Processing

Plays a crucial role in the post-translational modification of proteins, such as glycosylation and phosphorylation.
Essential for sorting and directing proteins to their correct destinations, ensuring proper cellular function.

Initial Doubts and Significance

Some scientists doubted the existence of the Golgi apparatus, questioning whether the observed structures were artifacts or real organelles.
The significance of the Golgi apparatus was recognized later as essential for understanding cellular processes and protein trafficking.

Timeline

The Golgi apparatus was discovered in 1898, marking a significant advancement in cell biology.
Recognition of its importance developed over time as more research validated its role in cellular function.