At high concentrations (about 300 molecules/cell), activin induced expression of the goosecoid gene and instructed the cell to become the frog’s dorsal-most structures.

TLS Online TPP Program

#Id: 2262

#Unit 11. Evolution and Behavior

Artificial selection- Genetically improving animals and plants by breeding together the best individuals in their fields and flocks.

TLS Online TPP Program

#Id: 2387

#Unit 3. Fundamental Processes

Alternative splicing is often associated with weak splice sites.

TLS Online TPP Program

#Id: 752

#Unit 3. Fundamental Processes

DNA polymerase binds two divalent metal ions (typically Mg2+ orZn2+) that alter the chemical environment around the correctly base-paired dNTP and the 3’-OH of the primer

TLS Online TPP Program

#Id: 3872

#Unit 5. Developmental Biology

GABA acts on prespore cells to induce secretion of AcbA.

TLS Online TPP Program

#Id: 4824

#Unit 13. Methods in Biology

Null hypothesis is either rejected or not rejected based on the viability of the given population or sample.