lacZ = b-galactosidase

lacY = galactoside permease

lacA = galactoside transacetylase

All 3 genes are transcribed together producing 1 mRNA, a polycistronic message 

TLS Online TPP Program

#Id: 7439

#Unit 5. Developmental Biology

Fruiting structure consists of a tapered column of stalk cells that carries a spherical mass of spores aloft.

TLS Online TPP Program

#Id: 10534

#Unit 4. Cell Communication and Cell Signaling

BH3-only proteins: Regulate activity of Bcl-2 and Bax/Bak proteins

Bim, Puma, Noxa, Bik, Bmf, Bad, Hrk, Bid

TLS Online TPP Program

#Id: 2928

#Unit 13. Methods in Biology

Nomograph for the determination of the relative centrifugal fi eld for a given rotor
speed and radius. The three columns represent the radial distance (in mm), the relative
centrifugal fi eld and the rotor speed rpm (in min-1).

TLS Online TPP Program

#Id: 10061

#Unit 4. Cell Communication and Cell Signaling

Trans interactions (intercellular or adhesive interactions)

CAMs on one cell bind to CAMs on an adjacent cell. 

TLS Online TPP Program

#Id: 6992

#Unit 5. Developmental Biology

Unipotency

A unipotent cell that one stem cell has the capacity to differentiate into one cell type Eg- spermatogonia