The electrons revolve in orbits around the nucleus.

TLS Online TPP Program

#Id: 7758

#Section 2: General Biology

A molecule is the smallest part of a substance that has the physical and chemical properties of that substance. In some respects, a molecule is similar to an atom. A molecule, however, is composed of more than one atom.

TLS Online TPP Program

#Id: 8195

#Section 3: Genetics, Cellular and Molecular Biology

A Pex 2, Pex 10, and Pex 12 complex embedded in the peroxisomal membrane transfers Ubiquitin to two embedded Pex 5 receptors.

TLS Online TPP Program

#Id: 7761

#Section 2: General Biology

A covalent bond is a chemical bond that occurs when two or more atoms share electrons. The sharing of electrons helps complete the outer shell, or valence shell, of both atoms. The sharing of electrons creates a stable balance of attractive and repulsive forces between atoms.

TLS Online TPP Program

#Id: 7964

#Section 3: Genetics, Cellular and Molecular Biology

Emphysema caused by a point mutation in -antitrypsin, which is normally secreted by hepatocytes and macrophages.

TLS Online TPP Program

#Id: 8864

#Section 3: Genetics, Cellular and Molecular Biology

Defects of cohesin’s gene expression regulation function are the cause of a group of diseases collectively called cohesinopathies.