Which one of the following tools can reliably establish an evolutionary link between two proteins and align them even if they share very low degree of sequence similarity? 

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#Question id: 13053

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

What would the generally expected effect on the PCR reaction be of adjustments that increase the temperature of the annealing phase and the length of the elongation phase?

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#Question id: 14367

#Section 5: Bioprocess Engineering and Process Biotechnology

During an enzyme purification, 0.23 g of protein was dissolved in 5 mL buffer. Suppose 0.5 mL of this solution converted 4.7 mmol of substrate in 30 sec. Calculate specific activity as units/mg protein - 

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#Question id: 204

#Section 2: General Biology

Acyl-group-transfer reactions often involve which coenzyme?

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#Question id: 317

#Section 2: General Biology

Hydrogen bonds can occur when hydrogen is covalently bonded to atoms like nitrogen and oxygen. What property of nitrogen and oxygen is important for this?

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#Question id: 1872

#Section 2: General Biology

Which of the following have NOT provided examples of secondary immunodeficiency?