Association with ARF6 activates A1, which catalyzes the transfer of ADP-ribose from NAD to the critical Arg residue in the P loop of the  subunit of Gαs. 

TLS Online TPP Program

#Id: 9435

#XL - T Zoology

Monogamy

Each individual mates exclusively with one partner over at least a single breeding cycle and sometimes for longer.

Monogamy occurs in fish, amphibians, reptiles, and mammals, but it is only commonly observed in birds, some rodents, and a few primate species.

TLS Online TPP Program

#Id: 9291

#XL - Q Biochemistry

Two types of symporters (NRT1 and NRT2) and one antiporter (CLC) are involved in nitrate transport in plants.

TLS Online TPP Program

#Id: 9274

#XL - R Botany

Bacterial Nod genes are activated to initiate nodulation in plants by plant signals flavonoids

TLS Online TPP Program

#Id: 8515

#XL - Q Biochemistry

Kinesin-1 

is regulated by a 

head-to-tail interaction

TLS Online TPP Program

#Id: 9292

#XL - S Microbiology