Two different kinds of sorting signals:

Membrane cargo proteins carry cytoplasmic sorting signals

Soluble cargo proteins carry luminal sorting signals

TLS Online TPP Program

#Id: 8178

#Section 3: Genetics, Cellular and Molecular Biology

Peroxisomes major sites of oxygen utilization (carrying out oxidative reactions).

TLS Online TPP Program

#Id: 8092

#Section 2: General Biology

The peroxisome is the primary site of plasmalogen synthesis.

TLS Online TPP Program

#Id: 9283

#Section 2: General Biology

Three factors are important in maintaining low O2 concentrations in nodules. 

First, entry of O2 into the nodule is controlled by a variable‐permeability barrier in the nodule parenchyma

TLS Online TPP Program

#Id: 7941

#Section 3: Genetics, Cellular and Molecular Biology

The translocon was first identified through mutations in the yeast gene encoding a protein called Sec61α

TLS Online TPP Program

#Id: 10358

#Section 2: General Biology

T-dependent response

Recognition of protein antigens and requires the participation of CD4 helper T cells