In the presence of ATP and Ca+2 , the myosin heads extending from the thick

filaments walk toward the (+) ends of the thin filaments.

TLS Online TPP Program

#Id: 5505

#XL - T Zoology

Metapopulations

Separate Populations That Mutually Affect One Another via Dispersal Fragmented landscapes create fragmented populations, many of which may exchange individuals via migration, creating one linked population

TLS Online TPP Program

#Id: 9645

#XL - T Zoology

Active Ras⋅GTP binds to the N-terminal autoinhibitory domain of Raf, altering its conformation and allowing the phosphate attached to this domain to be removed by cytosolic phosphatases, causing loss of 14-3-3 binding.

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: 9169

#XL - T Zoology

Amount of change in allele frequency

                        

frequency of G2 will increase and the  frequency of G1 will decrease                      frequency of G1 will increase and the frequency  of G2 will decrease

TLS Online TPP Program

#Id: 10044

#XL - T Zoology

In Notch/Delta pathway, 

signaling molecule is Delta, an integral membrane protein bound to the surface of the signaling cell.