When gametophytes grow upon the soil and form independent plants “Exosporic”

eg: Psilotum, Pteris, Lycopodium

TLS Online TPP Program

#Id: 9294

#XL - S Microbiology

Nitrate reductase

Homodimers, two identical subunits

Each subunit with 100kD

Each subunit contains 3 prosthetic groups:

FAD, heme, and molybdenum complexed to pterin (an organic molecule). 

TLS Online TPP Program

#Id: 9811

#XL - R Botany

A toggle model is for phytochrome interconversion

The structure of the b-hairpin region of Pr is changed to an a helix during the conversion of Pr to Pfr, which initiates other conformational changes in the protein.

TLS Online TPP Program

#Id: 9032

#XL - T Zoology

TLS Online TPP Program

#Id: 7046

#XL - T Zoology

Ronald A. Fisher, John B. S. Haldane and Sewall Wright- which showed that mutation and natural selection together cause adaptive evolution.

TLS Online TPP Program

#Id: 9918

#XL - T Zoology

Innate response elements commonly engaged by encounter with viral PAMPs, such as secretion of type I interferons, inflammasome and NK-cell activation, as well as IL-12 production.