The PCR technique designed to minimize amplification of non-specific PCR products by using 2 primer set is

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#Question id: 1581

#Unit 4. Cell Communication and Cell Signaling

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

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#Question id: 735

#Unit 1. Molecules and their Interaction Relevant to Biology

The a-keratin chains indicated by the diagram below have undergone one chemical step. To alter the shape of the a-keratin chains—as in hair waving—what subsequent steps are required?

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#Question id: 11981

#Unit 10. Ecological Principles

A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other.  Which of  the  following  would  be  an  ultimate  cause  of  the  male  cats? response  to  the  female?  s urinating behaviour?

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#Question id: 24466

#Unit 3. Fundamental Processes

Eukaryotic nuclei contain RNA polymerase I, RNA polymerase II, and RNA polymerase III can be separated by using

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#Question id: 29068

#Unit 10. Ecological Principles

A positive correlation between population density over time and individual fitness is known as___