The first truly vertebrate phase of development is manifested by the formation of the

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#Question id: 11534

#XL - R Botany

Which of the following is the precursor of auxin?

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#Question id: 5241

#XL - T Zoology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

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#Question id: 377

#XL - S Microbiology

The aqueous solution with the highest pH is:

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#Question id: 6951

#XL - T Zoology

In chick development, the cell movement during gastrulation is called:

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#Question id: 5273

#XL - S Microbiology

Replica plating