Phosphate is often the limiting plant nutrient in soil, and perhaps the evolutionary pressure to conserve phosphate for more critical roles favored plants that made phosphate-free lipids.

TLS Online TPP Program

#Id: 9187

#Section 3: Genetics, Cellular and Molecular Biology

Positive Selection: The Spread of Beneficial Mutations

TLS Online TPP Program

#Id: 8101

#Section 2: General Biology

In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

TLS Online TPP Program

#Id: 7945

#Section 3: Genetics, Cellular and Molecular Biology

Glycoproteins

Proteins with attached carbohydrates

TLS Online TPP Program

#Id: 9168

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 7938

#Section 3: Genetics, Cellular and Molecular Biology

The SRP and the nascent polypeptide chain–ribosome complex bind to the SRP receptor in the ER membrane. This interaction is strengthened by the binding of GTP to both the SRP and its receptor.