Golgi Apparatus

1
Golgi Apparatus

• By Jackie Crozier and Christie Smicherko

2
Functions

• The functions of the Golgi Apparatus are
  processing, packaging, and storing products of
  the cell so that they can be delivered to the
  cell membrane for release from the cell.

3
Structure

• The front of the Golgi Apparatus is called the
  cis face
• Usually located by the rear ER.
• The back of the Golgi Apparatus is called the
  trans face.
• Usually located by the secretory vesicles.
• Cisternae make up most of the Golgi apparatus

4
Processes of the Cis and Trans Face

• Vesicles fuse with the cis face, causing them to
  empty their contents into the Golgi apparatus.
• Molecules pass through the Golgi Apparatus and
  are discharged in the sensory vesicles.

5
Inside the Golgi

• Proteins and lipids made in the ER membranes are
  transported to the Golgi, and modified as they
  pass through it.
• The most common alteration is the change or
  modification of short sugar chains, forming
  glycoproteins and glycolipids.

6
Cisternae

• Flattened, stacked membrane folds in the Golgi
  body, where newly formed glycolipids and
  glycoproteins are collected.
• A typical Golgi can have anywhere from 6-8
  cisternae stacked onto each other

7
Diseases

• Alzheimers Disease
• Changes in the Golgi size
• There is not a lot of information at this time
  because scientists are not completely sure how
  this disease works.

8
Malfunctions

• Compounds cannot be transported to outside of the
  cell

9
Random Facts

• Because of its size, it was one of the first
  organelles discovered and observed in detail
• Discovered in 1897 by Camillo Golgi
• Found in most eukaryotic cells

10
Question 1

• True or False
• The front membrane of the Golgi Apparatus is
  called the trans face?
• False
• It is called the cis face.

11
Question 2

• What materials are passed through the Golgi?
• Proteins and lipids
• Lipids and carbohydrates
• Enzymes and proteins
• Carbohydrates and proteins
• Answer
• A. Proteins and Lipids
• Because they enter the Golgi unmodified and they
  leave the Golgi modified.