Principal signaling receptor is Frizzled (Fz), contains 

7 TM α helices.

TLS Online TPP Program

#Id: 10763

#XL - R Botany

Androecium

Each anther is usually bilobed and each lobe has two chambers, the pollen-sacs.

The pollen grains are produced in pollen-sacs. A sterile stamen is called staminode

TLS Online TPP Program

#Id: 8526

#XL - Q Biochemistry

Polyglutamylation and polyglycylation are likely mutually exclusive, so they would not normally occur at the same time & both can enhance microtubule stability,

TLS Online TPP Program

#Id: 9451

#XL - T Zoology

The extracellular domain of cytokine receptors are constructed of two subdomains, each contains seven conserved β strands folded together

TLS Online TPP Program

#Id: 8439

#XL - T Zoology

Without the abiotic stressors and without frequent disturbances, plants can grow rapidly for long periods of time, and this creates more competition among plants for soil nutrients and light.

Competitors also tend to grow to larger sizes and exhibit long life spans.

TLS Online TPP Program

#Id: 4696

#XL - T Zoology

Hamilton’s rule