Fixed action pattern - A predictable series of actions triggered by a cue, sometimes called the key stimulus.

TLS Online TPP Program

#Id: 2329

#Unit 3. Fundamental Processes

Once DNA has been melted, the trajectory of the individual strands within the enzyme is no longer constrained by the rigidity of the double helix, allowing DNA to make its 90° turn at the active site.

TLS Online TPP Program

#Id: 10214

#Unit 6. System Physiology – Plant

Type-B ARRs are activated by phosphorylation, which enables them to regulate the transcription of a set of target genes for cytokinin response, and type-A ARRs

TLS Online TPP Program

#Id: 2813

#Unit 13. Methods in Biology

Reversed-phase liquid chromatography differs from most other forms of chromatography in that the stationary phase is essentially inert and only non-polar (hydrophobic) interactions are possible with analytes.

TLS Online TPP Program

#Id: 1223

#Unit 7. System Physiology – Animal

PTH stimulates osteoclast activity and bone resorption by maturation of osteoclast cells.

TLS Online TPP Program

#Id: 2878

#Unit 13. Methods in Biology

Bacterial cultures do not absorb the incoming light. Instead, the light is scattered and thus, the spectrometer will record an apparent absorbance (sometimes also called attenuance). In this case, the observed parameter is called optical density (OD).