IMP biosynthetic genes constitute the pur operon and are involved in Purines synthesis. Bacterial strain used for this 

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#Question id: 1769

#XL - Q Biochemistry

Which one of the antibody have multiple subtype?

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#Question id: 18078

#XL - T Zoology

Which of the following can be found in gymnosperms? 

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#Question id: 17084

#XL - R Botany

What color does phenol red turn in acid?

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#Question id: 8924

#XL - R Botany

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.

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#Question id: 4785

#XL - R Botany

One form of white eye is a recessive X-linked gene in Drosophila. From a mating of a heterozygous wild-type Drosophila female with a white-eyed male, what is the probability of wild type offspring?