The ER captures selected proteins from the cytosol as they are being synthesized. These are of two types:

Transmembrane proteins

Water-soluble proteins

TLS Online TPP Program

#Id: 8972

#Section 3: Genetics, Cellular and Molecular Biology

Gene Structure

The genes that code for many proteins are broken into pieces. These pieces—the exons—are separated by stretches of noncoding DNA—the introns

TLS Online TPP Program

#Id: 10287

#Section 2: General Biology

T-Cell - Cells leaving the thymus are functional, mature T cells expressing unique and specific T-cell receptors (TCRs) that are both tolerant to self and restricted to self-MHC.

TLS Online TPP Program

#Id: 8136

#Section 3: Genetics, Cellular and Molecular Biology

Golgi apparatus is a major site of carbohydrate synthesis, as well as a sorting and dispatching station for proteins products.

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: 8365

#Section 3: Genetics, Cellular and Molecular Biology

Three classes of myosins:

Myosin I

Myosin II

Myosin V