Corticosteroids and prostaglandins can also decrease expression of class II MHC molecules.

TLS Online TPP Program

#Id: 8633

#Section 3: Genetics, Cellular and Molecular Biology

Mutating or deleting the destruction box in mitotic cyclins prevented their ubiquitination and blocked cells from exiting mitosis.

TLS Online TPP Program

#Id: 8107

#Section 2: General Biology

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: 8049

#Section 2: General Biology

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration.

TLS Online TPP Program

#Id: 7760

#Section 2: General Biology

Sulfur normally exists as an eight-atom molecule, S8, while phosphorus exists as a four-atom molecule, P4

TLS Online TPP Program

#Id: 8137

#Section 3: Genetics, Cellular and Molecular Biology

In animal cells,

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