TLS Online TPP Program

#Id: 10092

#XL - T Zoology

Inside-out signaling

intracellular signaling pathways can, via adapter proteins, modify the ability of integrins to bind

to their extracellular ligands

TLS Online TPP Program

#Id: 7032

#XL - T Zoology

In the most famous example of Lamarck’s theory, giraffes must have stretched their necks to reach foliage above them, and so their necks were lengthened. The longer necks were inherited, and over the course of generations, this process was repeated, and their necks got longer and longer. 

TLS Online TPP Program

#Id: 9270

#XL - Q Biochemistry

MoFe protein 

2 pairs of identical subunits (tetramer, nif D & nif K)

A total of MW 180 ~ 235kD

Each subunit has 2 Mo-Fe-S clusters.

Both Fe proteins and MoFe proteins are sensitive to O2. 

TLS Online TPP Program

#Id: 7755

#XL - Q Biochemistry

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used.

TLS Online TPP Program

#Id: 4690

#XL - T Zoology

Selfish (cheater) genotypes are expected to increase within populations, a trait that benefits the group would have to evolve by selection among groups, rather than by selection among individual organisms within the groups.