Original antigenic sin

Tendency to focus an immune attack on those structures that were present during the original.

This means that our immune systems effectively ignore the subtle changes occurring each year in pathogens

TLS Online TPP Program

#Id: 8137

#XL - Q Biochemistry

In animal cells,

Most of the glycosaminoglycans of the extracellular matrix are synthesized in golgi apparatus.

TLS Online TPP Program

#Id: 8138

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 8139

#XL - Q Biochemistry

Three major types of coated vesicles involved in protein trafficking:

1. COPII vesicles

2. COPI vesicles 

3. Clathrin-coated vesicles

TLS Online TPP Program

#Id: 8140

#XL - Q Biochemistry

Anterograde transport

COPII vesicles = ER to Golgi

TLS Online TPP Program

#Id: 8141

#XL - Q Biochemistry

Anterograde transport through the golgi occurs by cisternal maturation

TLS Online TPP Program

#Id: 8142

#XL - Q Biochemistry

Retrograde transport

COPI vesicles = cis-Golgi to ER