IEF method is particularly useful for separating isoenzymes, which are different forms of the same enzyme, often differing by only one or two amino-acid residues.

TLS Online TPP Program

#Id: 8006

#Unit 10. Ecological Principles

The differentiation of niches that enables similar species to coexist in a community is called resource partitioning.

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#Id: 172

#Unit 5. Developmental Biology

Combination of Pax6, Sox2, and L-Maf in the ectoderm is needed for the production of the lens and the activation of lens-specific genes i.e. δ-crystallin.

TLS Online TPP Program

#Id: 2515

#Unit 13. Methods in Biology

Pulsed-Field Gel Electrophoresis involves electrophoresis in agarose, where two electric fi elds are applied alternately at different angles for defined time periods (e.g. 60 s)

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#Id: 3355

#Unit 6. System Physiology – Plant

If 10 protons are pumped out per NADH and 4 must flow in to produce 1 ATP, the proton-based P/O ratio is 2.5 for NADH as the electron donor and 1.5 (6/4) for succinate.

TLS Online TPP Program

#Id: 453

#Unit 2. Cellular Organization

Acetylation, methylation, ubiquitylation, and sumoylation all occur on the free epsilon amino group of lysine.