Point mutations in DNA, such as occur in a range of human diseases, can be identified by 

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#Question id: 12579

#Part-B Specialized Branches in Biotechnology

Which of the following probably contains the highest concentration of toxic pollutants (biological magnification)? 

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#Question id: 12580

#Part-B Specialized Branches in Biotechnology

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because

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#Question id: 12581

#Part-B Specialized Branches in Biotechnology

Which of the following causes an increase in the intensity of UV radiation reaching the Earth? 

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#Question id: 12582

#Part-B Specialized Branches in Biotechnology

Which of  the  following  describes carbon dioxide,  methane, and  water  vapor re-reflecting infrared radiation back toward Earth?

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#Question id: 12583

#Part-B Specialized Branches in Biotechnology

Which of the following is caused by excessive nutrient runoff into lakes?  

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#Question id: 12584

#Part-B Specialized Branches in Biotechnology

Which of the following causes excessively high levels of toxic chemicals in fish-eating birds?