A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?

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#Question id: 2145

#XL - S Microbiology

An electrogenic Na+ transporter:

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#Question id: 2045

#XL - S Microbiology

An internal image monoclonal anti-idiotype:

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#Question id: 20158

#XL - P Chemistry

In a set of degenerate orbitals the electrons distribute themselves to retain similar spins as far as possible. This statement is attributed to

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#Question id: 10505

#XL - R Botany

Pseudomonas aeruginosa can alleviate the symptoms of abiotic stress by releasing of antibiotics, the amounts of the compounds released by P. aeruginosa are controlled by

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#Question id: 2117

#XL - T Zoology

Which of the following statements correctly describes osmosis?