Development of T cells from hematopoietic stem cells on bone marrow stromal cells expressing the Notch ligand

TLS Online TPP Program

#Id: 9263

#Unit 6. System Physiology – Plant

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

TLS Online TPP Program

#Id: 648

#Unit 3. Fundamental Processes

1 roentgen unit is a quantity of X ray that produces 2.083X109 ion pairs in one cubic centimeter of air at 0C and a pressure of 760 mm of mercury.

TLS Online TPP Program

#Id: 125

#Unit 5. Developmental Biology

If the optic vesicle is removed, the surface ectoderm forms either an abnormal lens or no lens at all.

TLS Online TPP Program

#Id: 9133

#Unit 10. Ecological Principles

Many species of macroparasites cannot complete their life cycles without the presence of at least two different host species

Definitive host - Exhibit sexual reproduction 

Intermediate hosts – Nonreproducing

TLS Online TPP Program

#Id: 3009

#Unit 3. Fundamental Processes

Replication requires a helicase to separate the strands of DNA using energy provided by hydrolysis of ATP.