Match the following:

A. DNA polymerases              i. Alkaline phosphatase        a.RNA-dependent DNA polymerase, used in cDNA synthesis

B. Reverse transcriptase        ii. T4 DNA ligase                    b. Thermostable DNA polymerase used in PCR

C. Ligases                                 iii.  AMV-RT                            c. Removes 5′-phosphates from DNA and RNA

D. Phosphatases                     iv. Taq DNA pol                      d. Links 5′-phosphate and 3′-hydroxyl ends via phosphodiester bond

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#Question id: 1573

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Which cells and which signaling molecules are responsible for initiating an inflammatory response?

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#Question id: 1574

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A bacterium entering the body through a small cut in the skin will do which of the following?

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#Question id: 1576

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function of Properdin

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#Question id: 1581

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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: 1582

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The EBV antigen fragments will be presented by the virus-infected cells along with which of the following?

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#Question id: 19448

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Which of the following incident lights will give better resolution of a specimen?