In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle?

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#Question id: 2645

#I Life Science/ Life Sciences Group – I-V

When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?

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#Question id: 19303

#SCPH28 | Zoology

A typical plant gene has the following regions 

(i) Promoter

(ii) enhancer/silencer

(iii) Cap site 

(iv) Translated region  

(v) Initiation codon

(vi) Exons 

(vii) intron

(viii) Stop codon

(ix) Poly (A) tail

Which of the following option is incorrect?

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#Question id: 20988

#SCPH06 I Botany

Degradation of _______ could be optimized and linked to the reduction of Nitrate or Nitrous oxide

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#Question id: 1305

#SCPH28 | Zoology

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through:

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#Question id: 11330

#SCPH28 | Zoology

Bio geographers have noted that the tropics have more terrestrial species than temperate regions. Which of the following is NOT a plausible explanation for this pattern?