TLS Online TPP Program

#Id: 10468

#Unit 4. Cell Communication and Cell Signaling

Subsequent loss or inactivation of the remaining normal allele in a somatic cell, known as loss of heterozygosity causes cancer to develop.

TLS Online TPP Program

#Id: 3686

#Unit 2. Cellular Organization

Pathogenicity islands are a characteristic feature of pathogenic bacteria genomes.These are large regions (10 to 200 kb) that are present in the genomes of pathogenic species but absent from the genomes of nonpathogenic variants of the same or related species. 

TLS Online TPP Program

#Id: 6060

#Unit 10. Ecological Principles

Mediterranean shrublands (chaparral):  These are located near an ocean and have wet, cool winters and hot, dry summers.  Rainfall is 40 to 100 centimeters per year. 

Fire is a common feature of this biome, and the shrubs are adapted to withstand occasional fires. 

TLS Online TPP Program

#Id: 1177

#Unit 7. System Physiology – Animal

Duplicity Theory 

The existence of these two kinds of input, each working maximally under different conditions of illumination

TLS Online TPP Program

#Id: 2578

#Unit 7. System Physiology – Animal

Isosmotic reabsorption is a hallmark of proximal tubular function: Solute and water reabsorption are coupled and are proportional to each other.