If survival of juveniles and adult is poor - Selection favors a single act of reproduction

TLS Online TPP Program

#Id: 9887

#XL - T Zoology

Eat me” signals

Dying cells facilitate their own phagocytosis by expressing on their surfaces such as phosphatidyl serine and lysophosphatidyl choline, proteins (annexin I), and altered carbohydrates. 

TLS Online TPP Program

#Id: 9629

#XL - T Zoology

c-Cbl contains: 

a domain that binds directly to phosphorylated EGF receptors

a RING finger domain, which recruits ubiquitin-conjugating enzymes and mediates transfer of ubiquitin to the receptor

TLS Online TPP Program

#Id: 4685

#XL - T Zoology

Social behaviour includes all kind of interaction between individuals of the same species.

TLS Online TPP Program

#Id: 8035

#XL - Q Biochemistry

Negatively charged amino acids have four ionisations zones

1. 1--------pK1 – charge +1

2. pK1---------pKr charge 0

3. pKr---------pK2 charge -1

4. pK2---------14 charge -2

TLS Online TPP Program

#Id: 9411

#XL - T Zoology

Sexual selection is selection that promotes traits that will increase an organism’s mating success.