IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

TLS Online TPP Program

#Id: 3653

#Unit 3. Fundamental Processes

Some microorganisms that lack AsnRS use a similar transamidation pathway for the synthesis of Asn–tRNAAsn from Asp–tRNAAsn.

TLS Online TPP Program

#Id: 7750

#Unit 1. Molecules and their Interaction Relevant to Biology

The greater the effective nuclear charge the more tightly an electron is held in by the nucleus because there is less electron shield between the valence electrons and the nucleus, and so, the smaller the radius.

TLS Online TPP Program

#Id: 5216

#Unit 7. System Physiology – Animal

Vitamin K, is a necessary cofactor for the enzyme that catalyzes the conversion of glutamic acid residues to γ-carboxyglutamic acid residues

TLS Online TPP Program

#Id: 6471

#Unit 3. Fundamental Processes

The RNA polymerase I promoter consists of a core promoter and an upstream promoter element (UPE).

TLS Online TPP Program

#Id: 798

#Unit 3. Fundamental Processes

rho mutants are usually leaky