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#Question id: 19953


The line spectrum ot two elements is not identical because .

#XL - P Chemistry
  1. they do not have same number of neutrons
  2. they have dissimilar mass number
  3. they have different energy level schemes
  4. they have different number of valence electrons.

Answer:- Option(s): 3


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#Question id: 4727

#XL - T Zoology

if mendal had studied the seven trait using a plant with 12 chromosome instead of 14, in what manner would his interpretation have been different ?

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#Question id: 27239

#XL - T Zoology

Which of the following is not true for chromatin?

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#Question id: 818

#XL - Q Biochemistry

Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?

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#Question id: 5762

#XL - R Botany

An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as

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#Question id: 4943

#XL - S Microbiology

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

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