Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?

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#Question id: 925

#SCPH01 Biochemistry

If an aerobic organism (e.g., the bacterium E. coli) were fed each of the following four compounds as a source of energy, the energy yield per mole from these molecules would be in the order:

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#Question id: 2652

#SCPH05 I Biotechnology

 Which of these acts as an inducer of the lac operon?

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#Question id: 14833

#SCPH05 I Biotechnology

The pneumococcal vaccine is directed against the

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#Question id: 945

#SCPH05 I Biotechnology

A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.

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#Question id: 1410

#SCPH06 I Botany

The number of alterations in DNA per cell per day is