Clustered dispersions

Social groups

Clustered resources

Offspring that remain close to their parents.

TLS Online TPP Program

#Id: 9999

#XL - T Zoology

Increased Ca2+ levels activates Ca2+-dependent signaling molecules such as:

Protein kinase C, Ca2+/calmodulin-dependent protein kinase (CamKII), Calcineurin phosphatase

TLS Online TPP Program

#Id: 10000

#XL - T Zoology

Calcineurin phosphatase, dephosphorylates and activates the transcription factor, Nuclear Factor Associated with T cells (NFAT).

TLS Online TPP Program

#Id: 10001

#XL - T Zoology

Vertebrates have three homologues of the Drosophila hedgehog gene: sonic hedgehog (shh), desert hedgehog

(dhh), and indian hedgehog (ihh)

TLS Online TPP Program

#Id: 10002

#XL - T Zoology

Desert hedgehog protein is found in the Sertoli cells of the testes

TLS Online TPP Program

#Id: 10003

#XL - T Zoology

Mice homozygous for a null allele of dhh exhibit defective spermatogenesis

TLS Online TPP Program

#Id: 10004

#XL - T Zoology

Indian hedgehog is expressed in the gut and cartilage and is important in postnatal bone growth