binding by a ribosome, many prokaryotic ORFs contain a short sequence upstream (on the 5’ side) of the start codon called the ribosome binding site (RBS). This element is also referred to as a polypurine stretch Shine–Dalgarno sequence.

TLS Online TPP Program

#Id: 6988

#Unit 5. Developmental Biology

The potency of a cell is an intrinsic property and is greater than or equal to its fate. Potency is described as the gene activation potential within a cell which begins with – 

Totipotency, Pluripotency, Multipotency  and finally Unipotency.

TLS Online TPP Program

#Id: 6264

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 3870

#Unit 5. Developmental Biology

Secreted GABA then acts on prestalk cells to induce the cell-surface exposure of the serine protease domain of the ABC transporter TagC.

TLS Online TPP Program

#Id: 9560

#Unit 11. Evolution and Behavior

They supposed that such mutant forms constituted new species and thus believed that natural selection was not necessary to account for the origin of species. The last influential mutationist was Richard Goldschmidt

TLS Online TPP Program

#Id: 5382

#Unit 10. Ecological Principles

Perfect compensation hypothesis