Type of nondisjunction leads to regions of tissue with different chromosome constitutions, a condition known as mosaicism is due to

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#Question id: 3856

#SCPH28 | Zoology

In eukaryotes, the conserved element closest to the transcription start site is called the:

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#Question id: 5013

#SCPH06 I Botany

Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

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#Question id: 4131

#SCPH01 Biochemistry

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

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#Question id: 2938

#SCPH28 | Zoology

Which of the following inhibit(s) cyclin A/Cdk2 activity?

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#Question id: 6963

#SCPH28 | Zoology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?