Lineage commitment

TLS Online TPP Program

#Id: 8976

#Unit 11. Evolution and Behavior

Rate of evolution = Number of amino acid different / Total time

Hint:  Total time = 2xT

Rate of Change per amino acid per year = rate of evolution / total amino acid

TLS Online TPP Program

#Id: 5870

#Unit 10. Ecological Principles

Species turnover on islands is generally low - The number of species on an island might remain the same, but the composition of the species should change continuously as new species colonize the island and others become extinct.

TLS Online TPP Program

#Id: 8385

#Unit 2. Cellular Organization

In the absence of ATP, the myosin head is firmly attached to the actin filament. 

TLS Online TPP Program

#Id: 8972

#Unit 11. Evolution and Behavior

Gene Structure

The genes that code for many proteins are broken into pieces. These pieces—the exons—are separated by stretches of noncoding DNA—the introns

TLS Online TPP Program

#Id: 4274

#Unit 12. Applied Biology

To check the cell viability in cell suspension, trypan blue dye is used. This dye is excluded by viable cells but taken up by dead cells (nonviable cells).