Constitutive defenses are costly to the plant. The production of secondary metabolites requires a significant energy investment derived from primary metabolism, which is then unavailable for use in growth and reproduction.

TLS Online TPP Program

#Id: 8152

#XL - Q Biochemistry

After the vesicle coat is complete, the Sec23 coat subunit promotes GTP hydrolysis causes disassembly of the coat.

TLS Online TPP Program

#Id: 10679

#XL - R Botany

Secondary Growth in Roots

In the dicot root, the vascular cambium is completely secondary in origin.

It originates from the tissue located just below the phloem bundles, a portion of pericycle tissue

TLS Online TPP Program

#Id: 9273

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 7040

#XL - T Zoology

Populational change is Darwin’s hypothesis that evolution occurs by changes in the proportions (frequencies) of different variant kinds of individuals within a population.

TLS Online TPP Program

#Id: 8049

#XL - Q Biochemistry

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration.