Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.

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#Question id: 16842

#General Aptitude

Bolt from the blue

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#Question id: 4944

#XL - T Zoology

What is true of the amino acids that might have been delivered to Earth within carbonaceous chondrites?

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#Question id: 6945

#XL - T Zoology

The portion of the Drosophila body plan which will produce the wing is called

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#Question id: 3459

#XL - T Zoology

A vampire bat sharing blood with another bat that is not its kin is an example of ________.

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#Question id: 4733

#XL - R Botany

If a homozygous plant with red peppers is crossed with a homozygous plant with green peppers, all the F1 plants have red peppers. When the F1 are crossed with one another, the F2 are in a ratio of 9 red : 3 brown : 3 yellow : 1 green  due to