The nitrate reductase dimer- Three binding domains

TLS Online TPP Program

#Id: 9209

#XL - T Zoology

Founder effect

A few individuals form a population start a new population with a different allele frequency than the original population.

Sampling error can arise is through the founder effect, which results from the establishment of a population by a small number of individuals.

TLS Online TPP Program

#Id: 8707

#XL - R Botany

KDC shows Divergent evolution, in which the genes for an enzyme with one substrate specificity give rise, during evolution, to closely related enzymes with different substrate specificities but the same enzymatic mechanism.

TLS Online TPP Program

#Id: 8887

#XL - R Botany

The mitotic CDKs phosphorylate specific nucleoporins, which causes nuclear pore complexes to dissociate during prophase. 

TLS Online TPP Program

#Id: 9405

#XL - T Zoology

Costs & benefits of territorial defense

Cost

Defending a territory requires time & energy and may, if aggressive defense is  needed, may pose some risk of injury.

Benefits‐

The improved access to resources represents  the 'benefit(s)' of territory defense.

TLS Online TPP Program

#Id: 4309

#XL - T Zoology

Hamilton’s rule: It states that an allele that causes an altruistic behavior will spread if the following condition is met (rb>C)