Pausing by the polymerase at the site of termination allows time for rho factor to translocate to the hybrid stretch and is an important feature of termination.

TLS Online TPP Program

#Id: 4807

#Unit 13. Methods in Biology

A random variable has a probability distribution, which defines the probability of its unknown values. Random variables can be discrete (not constant) or continuous or both.

TLS Online TPP Program

#Id: 4748

#Unit 5. Developmental Biology

Once PAR-1 is in the cortical cytoplasm, it phosphorylates PAR-3 causing PAR-3 and its binding partners PAR-6 and PKC-3 to leave the cortex.

TLS Online TPP Program

#Id: 8440

#Unit 10. Ecological Principles

Source–sink metapopulation model - A population model that builds on the basic metapopulation model and accounts for the fact that not all patches of suitable habitat are of equal quality.

TLS Online TPP Program

#Id: 1450

#Unit 4. Cell Communication and Cell Signaling

Ions, low-MW precursors of cellular macromolecules, products of intermediary metabolism, & small intracellular signaling molecules can pass from cell to cell through gap junctions.

TLS Online TPP Program

#Id: 2255

#Unit 11. Evolution and Behavior

There are three basic modes of selection on a quantitative trait.