Some factor determine Ne

1.Sex ratio.

2.Variation between individual in reproduction success.

3.Fluctuation in population size.

4.The age structure of the population.

5.Mating is random.

TLS Online TPP Program

#Id: 10382

#Section 2: General Biology

Expression of class II molecules by B cells is down-regulated by IFN-¥.

TLS Online TPP Program

#Id: 8166

#Section 3: Genetics, Cellular and Molecular Biology

CFTR protein contains

a di-acidic sorting signal that binds to the Sec24 subunit

of the COPII vesicle coat and is necessary for transport of

the CFTR protein out of the ER.

TLS Online TPP Program

#Id: 9182

#Section 3: Genetics, Cellular and Molecular Biology

Selection coefficient

A related variable is the selection coefficient (s), which is the relative intensity of selection against a  genotype

TLS Online TPP Program

#Id: 8391

#Section 3: Genetics, Cellular and Molecular Biology

When the Ca2+ level rises, Ca2+ binds CaM.

TLS Online TPP Program

#Id: 10389

#Section 2: General Biology

Class II, but not class I, presentation is inhibited by treatment of the cells with an agent that blocks endocytic processing within the cell (chloroquine).