Which of this mode of trp regulation is not possible in eukaryotes?

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#Question id: 4949

#SCPH06 I Botany

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

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#Question id: 5531

#SCPH28 | Zoology

The trophoblast forms to the

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#Question id: 18904

#SCPH01 Biochemistry

Advantages of using short half-life isotopes

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#Question id: 8900

#SCPH28 | Zoology

Which of the following statements about craniates is (are) correct?

1. Craniates are more highly cephalized than are non-craniates.

2. Craniatesʹ genomic evolution includes duplication of clusters of genes that code for transcription factors.

3. The craniate clade is synonymous with the vertebrate clade.

4. Pharyngeal slits that can assist in gas exchange originated in craniates,

5. The two-chambered heart originated with the early craniates.

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#Question id: 7001

#SCPH01 Biochemistry

If the apical ectodermal ridge is surgically removed from an embryo, it will lose ________.