Mature and certain differentiated e.g., parenchyma and often colenchyma cells undergo changes to become meristematic, this is called 

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#Question id: 5242

#XL - T Zoology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

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#Question id: 2166

#XL - S Microbiology

Typical ion/ligand concentrations are

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#Question id: 8933

#XL - T Zoology

At which developmental stage should one be able to first distinguish a diploblastic embryo from a triploblastic embryo?

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#Question id: 19595

#XL - P Chemistry

For the reaction C(s) + O2(g) → CO2(g)

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#Question id: 19948

#XL - P Chemistry

The fundamental particles which arc responsible for keeping nucleons together is