The biosynthesis of gibberellins is under strict genetic, developmental, and environmental control, and numerous gibberellin-deficient mutants have been isolated.

TLS Online TPP Program

#Id: 4601

#Unit 13. Methods in Biology

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.

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#Id: 9020

#Unit 6. System Physiology – Plant

Thioredoxins occur in multiple forms and have conserved structures to interact with target enzymes

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#Id: 1722

#Unit 4. Cell Communication and Cell Signaling

The α chains of the FcεRI, members of the immunoglobulin superfamily, directly bind the IgE heavy chains, whereas the β and γ chains are responsible for signal transduction.

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#Id: 5303

#Unit 7. System Physiology – Animal

Atrial systole 

Increase in atrial pressure is reflected back to the veins, it appears on the venous pulse record as the a wave.

TLS Online TPP Program

#Id: 10195

#Unit 6. System Physiology – Plant

Cytokinin biosynthesis, catalyzed by isopentenyl transferase (IPT), that adds isopentenyl side chain from DMAPP (dimethylallyl diphosphate) to ATP or ADP