What is the correct order of organelles involved in the secretion of proteins?
Answer
1. Made at mitochondria
2. RER excrete proteins
3. Travel to smooth ER in vesicles
4. Undergo modification at smooth ER
5. Vesicle fuses with plasma membrane and secretes the protein by endocytosis
1. Made at ribosomes
2. RER excrete proteins
3. Travel to golgi apparatus in vesicles
4. Undergo modification in golgi
5. Vesicle fuses with plasma membrane and secretes the protein by exocytosis
1. Made at ribosomes
2. RER excrete proteins
3. Travel to golgi apparatus in vesicles
4. Undergo modification in golgi
5. Vesicle fuses with plasma membrane and secretes the protein by endocytosis
Question 11
Question
Why is staining used in light microscopy?
Answer
Visualise cells/components
Support cells' organelles
Help maintain cells' shape
Increase contrast between cells/components
Help identify movement within the cell
Different stains bind to different specific cell components/types