In Ion-exchange chromatography There are two types of ion exchanger, namely cation  and anion exchangers.

TLS Online TPP Program

#Id: 7535

#Unit 6. System Physiology – Plant

GA levels in plants are correlated with stem length, internode elongation and seed germination. Play role in seed germination, transition to flowering, and pollen development.

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#Id: 890

#Unit 13. Methods in Biology

Frequency of recognition site depends on A/T::G/C ratio of genome.

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#Id: 5637

#Unit 7. System Physiology – Animal

Duplicity Theory 

The existence of these two kinds of input, each working maximally under different conditions of illumination

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#Id: 1977

#Unit 10. Ecological Principles

Population density is the number of individuals per unit area. D=N/S  

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#Id: 8465

#Unit 1. Molecules and their Interaction Relevant to Biology

The magnitude of this dipole moment corresponds to about 0.5-0.7 unit charge at each end of the helix. These charges would be expected to attract ligands of opposite charge and negatively charged ligands, especially when they contain phosphate groups and frequently bind at the N-termini of a helices. In contrast, positively charged ligands rarely bind at the C-terminus