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TLS Online TPP Program

#Id: 9331

In the dark, most transducin is localized to the outer segment, while most arrestin is found in other parts of the cell; in this condition, vision is most sensitive to very low light levels.

#XL - T Zoology #Visual Signaling #Part B Pointers
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TLS Online TPP Program

#Id: 9276

#XL - Q Biochemistry

NodA is an N-acyltransferase that catalyzes the addition of a fatty acyl chain.
NodB is a chitin-oligosaccharide deacetylase that removes the acetyl group from the terminal nonreducing sugar.
NodC is a chitin-oligosaccharide synthase that links N-acetyl-D-glucosamine monomers.
TLS Online TPP Program

#Id: 9277

#XL - Q Biochemistry

Nod factor is b-1,4-linked N-acetyl-D-glucosamine backbone
TLS Online TPP Program

#Id: 9278

#XL - Q Biochemistry

Type III/Type IV secretion systems play a major role in transfer of bacterial Nod factor in plant cell. 
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: 9280

#XL - Q Biochemistry

The interaction between NFR and SYMRK initiates calcium spiking in the nucleus, presumably via a second messenger molecule.
Core symbiotic genes are activated.
Cytokinin signaling is initiated.
TLS Online TPP Program

#Id: 9281

#XL - Q Biochemistry

Root hair cellular responses to bacterial Nod factor