TLS Online TPP Program

#Id: 2198

#Unit 10. Ecological Principles

Character                         early stage         late stage 

Root to shoot ratio                    high             low

Number of seed                         many            few

Seed size                                     small            large

Biotic potential                           high             low

Productivity per biomass           high             low

NPP                                              high             low

P/R ratio                                        >1               =1

Nutrient cycling                       open             closed

Importance of detrivores          less              more

Stratification                               No               Yes 

Regeneration ability                 more              less

Resistance ability                        less              more

TLS Online TPP Program

#Id: 7194

#Unit 5. Developmental Biology

Class II MHC glycoproteins expressed predominantly on pAPCs, where they primarily present exogenous antigenic peptides to CD4+ T cells.

TLS Online TPP Program

#Id: 2369

#Unit 5. Developmental Biology

In regenerating planaria, Wnt/β-catenin functions to establish anterior-posterior polarity.

TLS Online TPP Program

#Id: 9038

#Unit 4. Cell Communication and Cell Signaling

The levels of insulin present in the body and the Kd for binding of insulin to its receptor on liver cells,

1.4 × 10−10 M (0.14 nM). The normal concentration of insulin in the blood is  5 × 10−12 M. 

The fraction of insulin receptors with bound insulin, [RL]/[RT], at equilibrium as 0.0344

TLS Online TPP Program

#Id: 7133

#Unit 6. System Physiology – Plant