Ten bacteria were inoculated into a rich medium. If at the end of ten hours the total number of cells is 10^4, then the number of elapsed generations and the generation time respectively is

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#Question id: 163

#XL - T Zoology

Which of the following statements about cystine is correct?

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#Question id: 164

#XL - T Zoology

The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

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#Question id: 165

#XL - T Zoology

Amino acids are ampholytes because they can function as either a(n):

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#Question id: 166

#XL - T Zoology

For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:

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#Question id: 167

#XL - T Zoology

The formation of a peptide bond between two amino acids is an example of a(n) ______________ reaction.

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#Question id: 168

#XL - T Zoology

 The peptide alanylglutamylglycylalanylleucine has: