Polychasial cyme (multiparous)

multiple branches arise at the base of the apical flower on the peduncle. The oldest flower is placed in the middle of the axis

Ex: Calotropis, Hamelia patens

TLS Online TPP Program

#Id: 8707

#XL - R Botany

KDC shows Divergent evolution, in which the genes for an enzyme with one substrate specificity give rise, during evolution, to closely related enzymes with different substrate specificities but the same enzymatic mechanism.

TLS Online TPP Program

#Id: 8708

#XL - R Botany

This reaction is catalyzed by nucleoside diphosphate kinase

TLS Online TPP Program

#Id: 8709

#XL - R Botany

Malonate is an analog of succinate not normally present in cells, is a strong competitive inhibitor of succinate dehydrogenase, and its addition to mitochondria blocks the activity of the citric acid cycle.

TLS Online TPP Program

#Id: 8710

#XL - R Botany

As intermediates of the citric acid cycle are removed to serve as biosynthetic precursors, they are replenished by anaplerotic reactions

TLS Online TPP Program

#Id: 363

#XL - R Botany

When cellular iron concentrations return to normal levels, IRP1 is converted to aconitase, and IRP2 undergoes proteolytic degradation, ending the low-iron response.

TLS Online TPP Program

#Id: 8598

#XL - R Botany

Labile factors called cyclins drive the progression of cells through different stages of the cell cycle by binding to CDKs.