RI and RII receptors are homodimeric proteins with serine/threonine kinases in their cytosolic domains. 

(RI and RII sufficient to serve as a functional hetero-tetrameric TGF-β receptor)

TLS Online TPP Program

#Id: 9785

#XL - R Botany

R gene Mi-1 confers resistance to aphids and whiteflies

Rice R gene Bph14 confers resistance to the brown plant hopper

Melon R gene Vat confers resistance to the cotton aphid. 

All of these R genes encode NBS–LRR receptors.

TLS Online TPP Program

#Id: 8141

#XL - Q Biochemistry

Anterograde transport through the golgi occurs by cisternal maturation

TLS Online TPP Program

#Id: 9565

#XL - T Zoology

Haldane’s rule: Hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

TLS Online TPP Program

#Id: 9514

#XL - R Botany

Quorum sensing in Erwinia carotovora is mediated by N‐acylhomoserine lactones, small molecules released from the bacterial cells into the surrounding medium.

TLS Online TPP Program

#Id: 9179

#XL - T Zoology

Fitness- Average number of offspring produced by a genotype and divide it by the mean number of offspring produced by the most prolific genotype