If cells that have incorporated a high level of BrdU are exposed to light, they will photolyse; this has been used to selectively kill newly dividing cells.

TLS Online TPP Program

#Id: 2910

#Unit 13. Methods in Biology

The rate of sedimentation is dependent upon the applied centrifugal field (cm s-2), G,

that is determined by the radial distance, r, of the particle from the axis of rotation (in cm)

and the square of the angular velocity ω, of the rotor (in radians per second):

TLS Online TPP Program

#Id: 4564

#Unit 8. Inheritance Biology

Supplementary genes:

Two independent dominant genes interacting to produce a phenotypic expression different from that produced by either gene alone.

TLS Online TPP Program

#Id: 9809

#Unit 6. System Physiology – Plant

hy1 and hy2 mutant are chromophore biosynthesis mutant: which fail to supress hypocotyl elongation

TLS Online TPP Program

#Id: 6524

#Unit 7. System Physiology – Animal

Five dopamine receptors fall into two major categories: D1 -like (D1 and D5 )  D2 -like (D2 , D3 , and D4 )

TLS Online TPP Program

#Id: 10070

#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis