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Describe the mechanism of the polymerase chain reaction.

The polymerase chain reaction (PCR) is basically a series of three-stage cycles, each stage occurring at a different temperature. The three stages are denaturation, annealing and extension.Denaturation takes...
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Answered by Reka K. • Biology tutor
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Discuss the relationship between mental illness and social class, gender and ethnicity.

The biomedical approach to mental health conditions has largely dominated mainstream thought and treats mental illnesses as arising from individual biological or psychological factors; as something defective...
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Answered by Finn C. • Sociology tutor
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Write 16*8^2x as a power of 2 in terms of x.

Change 16 as a power of 2 to get 2 4 . Change 8 2x as a power of 2 gives (2 3 ) 2x . You can times the two powers together giving 2 6x .So 16*8 2x =2 4 *2 6x . Now the powers can be added since the bases are...
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Answered by Nabeel A. • Maths tutor
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How can I improve my translation skills?

Here is a passage of French: "La thérapie comportementale se concentrera sur l' enseignement des comportements appropriés à l'enfant autiste. Habituellement, cela inclut une forme de système de récompen...
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Answered by Amy M. • French tutor
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Use the substitution u=cos(2x)to find ∫(cos(2x))^2 (sin(2x))^3dx

Step 1 differentiate substitution: du/dx = -2sin(2x)Step 2 rearrange for dx: dx=du/-2sin(2x)Step 3 substitute: integral= ∫u 2 sin 3 (2x).du/-2sin(2x)Step 4 get the integral in terms of u by cancelling: integ...
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Answered by Nabeel A. • Maths tutor
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