The loose aggregation of platelets in the temporary plug is bound together and converted into the definitive clot by fibrin.

TLS Online TPP Program

#Id: 8435

#Unit 10. Ecological Principles

r-selected species

High rate of per capita population growth

poor  competitive ability

Grows quickly 

age early, 

devoting much energy to producing  large number of progeny 

Small in size, and individuals do not live long. 

Random matting

TLS Online TPP Program

#Id: 4574

#Unit 8. Inheritance Biology

Polymeric Gene interaction (9:6:1)

The combination of two dominant alleles that intensifies the phenotype or creates a median variation. 

TLS Online TPP Program

#Id: 2136

#Unit 8. Inheritance Biology

Recombinant chromosomes have too many copies of some genes and no copies of others, so gametes that receive the recombinant chromosomes cannot produce viable progeny.

TLS Online TPP Program

#Id: 10489

#Unit 4. Cell Communication and Cell Signaling

Cytotoxic T cells release granules containing the proteins perforin and granzyme-B

TLS Online TPP Program

#Id: 7025

#Unit 5. Developmental Biology

Unpaired protein activates the JAK-STAT pathway in the adjacent germ stem cells to specify their self-renewal