V.Angiosperm

Main Plant body = sporophyte

Seeds are covered

Double fertilization occurs

Ovary ripens into fruit which contain seeds

Reduced gametophytic phase

TLS Online TPP Program

#Id: 9985

#XL - T Zoology

Antagonists of Wnt:

Secreted frizzled-related protein (Sfrp)

Wnt inhibitory factor (Wif)

Dickkopf (Dkk) family

TLS Online TPP Program

#Id: 9986

#XL - T Zoology

Non-canonical Wnt signaling is initiated by the 

Wnt5a type (Wnt4, Wnt5a, Wnt5b, Wnt6, Wnt7a, and Wnt11).

 

TLS Online TPP Program

#Id: 9987

#XL - T Zoology

Wnt ligands are recognized by Frizzled/retinoic acid-related orphan receptor (ROR)/receptor tyrosine kinase (RYK) receptor complexes

TLS Online TPP Program

#Id: 9988

#XL - T Zoology

Frizzled paired with Ror and Ror receptor complex phosphorylates Disheveled

TLS Online TPP Program

#Id: 9989

#XL - T Zoology

Disheveled stimulate activation of the small GTPases Rho and Rac, leading to cytoskeletal rearrangements and cell motility. 

TLS Online TPP Program

#Id: 9990

#XL - T Zoology

Rho GTPases are the “master builders” of the cell because they can activate an array of kinases and cytoskeletal binding proteins that remodel cytoskeletal elements to alter cell shape and movement