The tighter the binding of a ligand to its receptor,the lower the concentration of ligand needed to achieve binding to 50 percent of the receptors.

TLS Online TPP Program

#Id: 9867

#XL - R Botany

TLS Online TPP Program

#Id: 10744

#XL - R Botany

(main axis flattened)

Capitulum (head)

The peduncle is reduced to a flat, concave, or convex disc, the receptacle that bears small sessile and centripetally arranged flowers called florets, surrounded by an involucre of bracts

Examples: Helianthus annuus (Sunflower), Zinnia, Tagetes erecta (Marigold), Cosmos, Mimosa pudica (touch-me-not), Acacia, etc.

TLS Online TPP Program

#Id: 9279

#XL - Q Biochemistry

The binding of Nod factors to the Nod factor receptors (NFRs), which contain extracellular LysM motifs, initiates an interaction with the conserved SYMRK receptor-like kinases containing a leucine-rich repeat (LRR) domain.

TLS Online TPP Program

#Id: 9481

#XL - T Zoology

TLS Online TPP Program

#Id: 9500

#XL - R Botany

Maize genotypes that carry the Hm1 gene, which encodes an enzyme that can metabolize and thereby detoxify HC toxin are resistant to C. carbonum.