In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:

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#Question id: 20212

#XL - P Chemistry

If the nitrogen atom had electronic configuration 1s⁷, it would have energy lower than that of the normal ground state configuration 1s² 2s₂ 2p³ because the electrons would be closer to the nucleus. Yet, 1s⁷ is not observed because it violates.

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#Question id: 8705

#XL - S Microbiology

If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup?

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#Question id: 15251

#XL - S Microbiology

The alga Dunaliella viridis tolerates high concentrations of

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#Question id: 435

#XL - R Botany

What defines a near-equilibrium reaction?

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#Question id: 5242

#XL - S Microbiology

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?