KDEL receptor, located mainly in the cis-Golgi network and in both COPII and COPI vesicles, binds proteins bearing the KDEL sorting signal and returns them to the ER

TLS Online TPP Program

#Id: 9746

#XL - R Botany

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: 8157

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 8622

#XL - R Botany

Cyclins are degraded through the action of two different E3-ligases:

1. SCF (Skp1, Cullin, and F-box proteins) 

2. APC/C or cyclosome

TLS Online TPP Program

#Id: 9800

#XL - R Botany

Proportion of phytochrome in the Pfr form after saturating irradiation by red light is only about 85%. 

TLS Online TPP Program

#Id: 2170

#XL - T Zoology

The components of fitness are survival and reproduction.