TGF-β activation

By cytoskeletal force transmitted by integrins

TLS Online TPP Program

#Id: 8858

#XL - R Botany

Cohesin-mediated cohesion between sister chromatids is established by a two-step process:

1.Loading and unloading of cohesins

2. Stabilization of cohesins

TLS Online TPP Program

#Id: 9933

#XL - T Zoology

Bacterial Infections

Bacteria enter the body through several natural routes.

TLS Online TPP Program

#Id: 9468

#XL - T Zoology

Erythropoietin receptor & the receptors for GH, prolactin, G-CSF, activates STAT5 but not STATs 1, 2, 3, or 4. 

TLS Online TPP Program

#Id: 9098

#XL - T Zoology

Glycogen breakdown and synthesis is coordinately regulated by the second messengers Ca2+ and cAMP, whose levels are regulated by neural and hormonal stimulation, respectively

TLS Online TPP Program

#Id: 10724

#XL - R Botany

Feature of leaves

A typical leaf consists of three main parts;

a) Leaf base

b) Petiole

c) Lamina

Feature of leaves

leaf base and may bear two lateral small leaf like structures called stipules.

In some leguminous plants the leaf base may become swollen, which is called the Pulvinus

Feature of leaves

The lamina or the leaf blade is the green expanded part of the leaf with veins and veinlets. There is, usually, a middle prominent vein, which is known as the midrib.