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How can I describe the structure and function of Golgi apparatus in exam?
Anonymous
2 days ago
How can I describe the structure and function of Golgi apparatus in exam?
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ChatGPT
2 days ago
The Golgi apparatus is a membrane-bound organelle found in eukaryotic cells. It is composed of a series of flattened, membrane-bound sacs called cisternae. The Golgi apparatus is responsible for processing, sorting, and packaging proteins and lipids that are synthesized in the endoplasmic reticulum.
The Golgi apparatus functions by receiving newly synthesized proteins and lipids from the endoplasmic reticulum and modifying them through processes such as glycosylation, phosphorylation, and sulfation. It then sorts these molecules and packages them into vesicles for transport to their final destination within the cell or for secretion outside of the cell.
In an exam, you can describe the structure of the Golgi apparatus as a series of flattened sacs or cisternae, and its function as processing, sorting, and packaging proteins and lipids. You can also mention the importance of the Golgi apparatus in maintaining cellular homeostasis and regulating cellular processes.
The Golgi apparatus functions by receiving newly synthesized proteins and lipids from the endoplasmic reticulum and modifying them through processes such as glycosylation, phosphorylation, and sulfation. It then sorts these molecules and packages them into vesicles for transport to their final destination within the cell or for secretion outside of the cell.
In an exam, you can describe the structure of the Golgi apparatus as a series of flattened sacs or cisternae, and its function as processing, sorting, and packaging proteins and lipids. You can also mention the importance of the Golgi apparatus in maintaining cellular homeostasis and regulating cellular processes.
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Google Gemini AI
2 days ago
Structure of Golgi Apparatus
- A complex organelle consisting of stacks of flattened membranes called cisternae
- Arranged in 3 regions:
- cis-face (receiving face): Receives vesicles from the endoplasmic reticulum (ER)
- cisternae stacks: Where proteins and lipids undergo modifications
- trans-face (shipping face): Releases modified molecules into secretory vesicles or lysosomes
Function of Golgi Apparatus
- Processing of Proteins and Lipids:
- Modifies proteins and lipids by adding complex carbohydrates, lipids, and phosphate groups
- Forms glycoproteins, lipoproteins, and sulfolipids
- Sorting and Packaging:
- Sorts modified molecules and packages them into secretory vesicles or lysosomes
- Secretory vesicles release their contents outside the cell
- Lysosomes contain digestive enzymes and break down cellular debris
- Formation of Lysosomes:
- The Golgi apparatus produces primary lysosomes, which mature into secondary lysosomes by fusing with endosomes containing degraded material
- Glycosylation:
- Adds oligosaccharides to proteins, creating glycoproteins
- Cell Surface Membrane Production:
- Modifies proteins and lipids destined for the cell surface membrane
- Formation of Plant Cell Walls:
- In plant cells, the Golgi apparatus produces polysaccharides and glycoproteins that contribute to the cell wall
- A complex organelle consisting of stacks of flattened membranes called cisternae
- Arranged in 3 regions:
- cis-face (receiving face): Receives vesicles from the endoplasmic reticulum (ER)
- cisternae stacks: Where proteins and lipids undergo modifications
- trans-face (shipping face): Releases modified molecules into secretory vesicles or lysosomes
Function of Golgi Apparatus
- Processing of Proteins and Lipids:
- Modifies proteins and lipids by adding complex carbohydrates, lipids, and phosphate groups
- Forms glycoproteins, lipoproteins, and sulfolipids
- Sorting and Packaging:
- Sorts modified molecules and packages them into secretory vesicles or lysosomes
- Secretory vesicles release their contents outside the cell
- Lysosomes contain digestive enzymes and break down cellular debris
- Formation of Lysosomes:
- The Golgi apparatus produces primary lysosomes, which mature into secondary lysosomes by fusing with endosomes containing degraded material
- Glycosylation:
- Adds oligosaccharides to proteins, creating glycoproteins
- Cell Surface Membrane Production:
- Modifies proteins and lipids destined for the cell surface membrane
- Formation of Plant Cell Walls:
- In plant cells, the Golgi apparatus produces polysaccharides and glycoproteins that contribute to the cell wall
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