The anterior-posterior axis is determined before the first cell division, and the cleavage furrow is located asymmetrically along this axis of the egg, closer to what will be the posterior pole.

TLS Online TPP Program

#Id: 5812

#Unit 7. System Physiology – Animal

Zona glomerulosa cells capable of secreting significant amounts of aldosterone because they contain the enzyme aldosterone synthase

TLS Online TPP Program

#Id: 2229

#Unit 11. Evolution and Behavior

The Birth of a Gene - Duplication is the most common way that new genes arise in eukaryotes. 

TLS Online TPP Program

#Id: 4590

#Unit 13. Methods in Biology

Forward light scattering detect shape and side scattering detects granularity and complexity of the cell

TLS Online TPP Program

#Id: 6056

#Unit 10. Ecological Principles

Lack of water is the primary factor that determines that an area will be a desert

Hot desert.

Cold desert 

Desert    Location 

Sahara  N. Africa 

Kolahari                      S. Africa 

Coastal Atacama              Peru

Sonoran               North American 

Simpson          Australia 

 

TLS Online TPP Program

#Id: 7057

#Unit 11. Evolution and Behavior

Ockham’s principle - Principle of parsimony