As a chromosome with a new gene duplicate spreads through a population, there is polymorphism in the number of copies of the gene that individuals carry. This situation, called copy number variation.

TLS Online TPP Program

#Id: 6651

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 10488

#Unit 4. Cell Communication and Cell Signaling

Most tumor cells,express MHC class I molecules on their surface, cytotoxic T cells can directly recognize tumor cells expressing neo-antigens.

TLS Online TPP Program

#Id: 435

#Unit 2. Cellular Organization

The nucleosome consists of approximately equal masses of DNA and histones (including H1). The predicted mass of the nucleosome is 262 kD.

TLS Online TPP Program

#Id: 5566

#Unit 7. System Physiology – Animal

Assume first a condition in which osmolality is 300 mOsm/kg of H2O throughout the descending and ascending limbs & medullary interstitium

TLS Online TPP Program

#Id: 5836

#Unit 10. Ecological Principles

Secondary succession