A miscible mixture of benzene and chloroform can be separated by:

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#Question id: 14825

#XL - S Microbiology

Actinomycetes characteristically form long multinucleate filaments or hyphae that may branch to produce a network called a 

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#Question id: 9619

#XL - S Microbiology

A common ancestor for both species C and E could be at position number 

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#Question id: 4615

#XL - T Zoology

Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?

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#Question id: 15479

#XL - S Microbiology

Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli

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#Question id: 2678

#XL - T Zoology

Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing: