ATP-powered pumps use the energy released by hydrolysis of the terminal phosphoanhydride bond of ATP to transport ions.

TLS Online TPP Program

#Id: 1080

#Unit 5. Developmental Biology

SEP proteins act as cofactors that provide flower-specific activity to the ABC genes by making complexes of their products.

TLS Online TPP Program

#Id: 1563

#Unit 4. Cell Communication and Cell Signaling

This is the example of post-translational modification by a lipid that mediates a ligand-receptor interaction.

TLS Online TPP Program

#Id: 2132

#Unit 8. Inheritance Biology

If a single crossover takes place in the inverted region an unusual structure results

TLS Online TPP Program

#Id: 6129

#Unit 3. Fundamental Processes

When the initial removal involves lyase action, the endonuclease APE1 instead recruits DNA polymerase b to replace a single nucleotide. The nick is then sealed by the ligase XRCC1/ligase-3. This is called the short-patch pathway.

TLS Online TPP Program

#Id: 5681

#Unit 7. System Physiology – Animal

When the bundle of processes is pushed in the opposite direction, the cell is hyperpolarized