In the absence of Wnts,

“free” β-catenin are targeted for degradation by a cytosolic destruction complex that is held together by the tumor suppressor protein Axin.

TLS Online TPP Program

#Id: 10671

#XL - R Botany

Vascular Cambium

The meristematic layer that is responsible for cutting off vascular tissues – xylem and pholem – is called vascular cambium

young stem it is present in patches as a single layer between the xylem and phloem. Later it forms a complete ring

TLS Online TPP Program

#Id: 10569

#XL - R Botany

“Ernst Mayr” pioneered the currently accepted definition of a “Biological Species concept”

TLS Online TPP Program

#Id: 10347

#XL - Q Biochemistry

Transitional B cells bound for a follicular fate undergo positive and negative selection in the spleen.

TLS Online TPP Program

#Id: 9722

#XL - R Botany

Thorns are modified branches, as in citrus and acacia; spines

are modified leaves

Prickles are derived mainly from the epidermis and thus can be easily snapped off the stem, protect plants from larger herbivores

Trichomes, or hairs, provide a much more effective defense against insect pests

TLS Online TPP Program

#Id: 9169

#XL - T Zoology

Amount of change in allele frequency

                        

frequency of G2 will increase and the  frequency of G1 will decrease                      frequency of G1 will increase and the frequency  of G2 will decrease