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TLS Online TPP Program

#Id: 10574


Four Kingdom system of Classification (Kingdom Monera)
given by “H.F. Copeland”
Five Kingdom system of Classification given by 
"R.H. Whittaker"

#XL - R Botany #PLANT TAXONOMY #Part B Pointers
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TLS Online TPP Program

#Id: 9446

#XL - T Zoology

The cytokines form a family of relatively small, secreted signaling molecules:
Contain about 160–200 AA
4 long, conserved α helices
Control growth and differentiation

TLS Online TPP Program

#Id: 9447

#XL - T Zoology

Large family of cytokines:
Interleukins
Interferons
Growth hormone
Prolactin
G-CSF
Thrombopoietin
Erythropoietin

TLS Online TPP Program

#Id: 9448

#XL - T Zoology

Receptor Homodimerization 
Cytokines (erythropoietin) activate receptors by forming dimers of two identical cytokine receptor proteins

TLS Online TPP Program

#Id: 9450

#XL - T Zoology

Receptor hetero-dimerization or hetero-oligomerization 
Other cytokines (interleukins and interferons) bind simultaneously to two or more different cytokine receptors

TLS Online TPP Program

#Id: 9451

#XL - T Zoology

The extracellular domain of cytokine receptors are constructed of two subdomains, each contains seven conserved β strands folded together

TLS Online TPP Program

#Id: 9452

#XL - T Zoology

In cytokine receptors, 
the receptor and kinase are separate polypeptides, encoded by different genes, yet are bound tightly together.

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