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: 9807

#XL - R Botany

Phytochromobilin is synthesized in plastids from chlorophyll biosynthetic pathway and transported into cytosol by a passive process.

TLS Online TPP Program

#Id: 9433

#XL - T Zoology

Mate choice and benefit

Mate choice increase the reproductive success.

Mate choice is result of sexual selection.

TLS Online TPP Program

#Id: 9146

#XL - T Zoology

Effects of different evolutionary forces on allelic frequencies

TLS Online TPP Program

#Id: 8762

#XL - T Zoology

Thermostable proteins have such a high incidence of salt bridges.

TLS Online TPP Program

#Id: 9283

#XL - S Microbiology

Three factors are important in maintaining low O2 concentrations in nodules. 

First, entry of O2 into the nodule is controlled by a variable‐permeability barrier in the nodule parenchyma