Many plants contain mixtures of volatile monoterpenes and sesquiterpenes, called essential oils examples- Peppermint, lemon, basil, and sage 

Chief monoterpene constituent of peppermint oil is menthol; that of lemon oil is limonene

TLS Online TPP Program

#Id: 4685

#XL - T Zoology

Social behaviour includes all kind of interaction between individuals of the same species.

TLS Online TPP Program

#Id: 1969

#XL - T Zoology

The mortality rate (qx) within each age class is estimated by the variable

TLS Online TPP Program

#Id: 9307

#XL - T Zoology

A single activated rhodopsin protein activates 

~13 transducin molecules in the few seconds before the covalent bond between the opsin protein and all-trans-retinal is spontaneously cleaved

TLS Online TPP Program

#Id: 10089

#XL - T Zoology

Integrins are involved in biological activities, includes: 

Extravasation

Cell-to-cell adhesion

Cell migration

Receptors for certain viruses

Angiogenesis

Apoptosis

TLS Online TPP Program

#Id: 10072

#XL - T Zoology

Epithelial-to-mesenchymal transition is associated with a reduction in the expression of E-cadherin.