Two mechanisms for terminating cytokine signaling:

1. Short-term regulation: SHP1

2. Long-term regulation: SOCS proteins

TLS Online TPP Program

#Id: 1823

#XL - T Zoology

Logistic Growth Curves

a. Under limited condition

b. Both periodic and continuous breeder

TLS Online TPP Program

#Id: 9164

#XL - T Zoology

Negative assortative mating refers to a tendency for unlike individuals to mate. people engaged in negative assortative mating for height.

Increases the frequency of heterozygous genotypes (Aa).

TLS Online TPP Program

#Id: 10083

#XL - T Zoology

The α subunit of each integrin is the primary determinant of its extracellular ligand specificity

TLS Online TPP Program

#Id: 8132

#XL - T Zoology

Lipids as pigments in plants and bird feathers.

Birds acquire the pigments that color their feathers red or yellow by eating plant materials that contain carotenoid pigments, such as canthaxanthin and zeaxanthin.

The differences in pigmentation between male and female birds are the result of differences in intestinal uptake and processing of carotenoids.

TLS Online TPP Program

#Id: 8611

#XL - R Botany

Nonphosphorylated CDK bound to one of its cyclin partners has minimal but detectable protein kinase activity in vitro, although it may be essentially inactive in vivo.