An alternative to create glyphosate resistance in plants can be generated by

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#Question id: 8289

#SCPH28 | Zoology

The term convergent evolution is most applicable to which of the following features?

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#Question id: 15653

#SCPH06 I Botany

You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium. You have isolated a mutation that causes constitutive melibiase activity, which you designate MelA–. P1 phage mapping experiments using a Tn5 insertion linked to Mel1 show that MelA– is not linked to Mel1. Moreover you find that when an amber suppressor is introduced into a MelA– mutant, normal melibiase regulation is restored. Classify the MelA– mutation on the basis of genetic properties,  make a proposal for the type of regulatory functions affected by the MelA– mutation?

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#Question id: 4562

#SCPH28 | Zoology

Which stratum should contain the greatest proportion of extinct organisms?

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#Question id: 1767

#SCPH05 I Biotechnology

Which of the following immunoglobulin is the most abundant immunoglobulin in newborns?

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#Question id: 20983

#SCPH28 | Zoology

Which is considered as less recalcitrant out of the BTEX compounds, and of lesser regulatory concern?

1. Xylene

2. Ethylbenzene

3. Toluene

4. Benzene

Which of the below combinations are correct?