Cohesion of stamens

Adelphous

Anthers remain free, and filaments are united. Adelphous condition can be;

Monadelphous–  The stamens may be united into one bunch or one bundle. e.g., china rose  (malvaceae)

TLS Online TPP Program

#Id: 9054

#XL - T Zoology

The activated β2-adrenergic receptor induces GDP-->GTP exchange on a stimulatory G protein (Gs).

TLS Online TPP Program

#Id: 9055

#XL - T Zoology

TLS Online TPP Program

#Id: 9056

#XL - T Zoology

TLS Online TPP Program

#Id: 9057

#XL - T Zoology

glutamate (E200) and arginine (R209) participate in binding of cAMP, which causes a conformational change in the loop that prevents binding of the loop to the C subunit.

TLS Online TPP Program

#Id: 9058

#XL - T Zoology

Epinephrine --> Gαs-GTP-->Adenylyl cyclase-->cAMP-->PKA

TLS Online TPP Program

#Id: 9059

#XL - T Zoology

PKA always phosphorylates a serine or threonine residue that is located within the common sequence motif: X-Arg-(Arg/Lys)-X-(Ser/Thr)-Φ