Consider the following statements about primordial Earth:

1. Atmosphere was reducing

2. UV radiation was intense

3. Ozone shield was present

4. Volcanic gases dominated

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#Question id: 39856

#Bio-Informatics

Q: Which of the following best describes the primary limitation of sequence alignment in determining evolutionary relationships?

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#Question id: 39857

#Bio-Informatics

Q. Sequence alignment is primarily used to:

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#Question id: 39858

#Bio-Informatics

Q. Which of the following conclusions can be drawn from a significant similarity observed in sequence alignment?

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#Question id: 39859

#Bio-Informatics

Q. Assertion (A): If two biological sequences show significant similarity, they are likely to have a common evolutionary origin.

Reason (R): Highly diverged sequences may lose detectable similarity at the sequence level.

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#Question id: 39860

#Botany

 Ovules in gymnosperms are:

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#Question id: 39861

#Bio-Informatics

Q. Which of the following statements correctly distinguishes between homology and sequence similarity?