TLS Online TPP Program

#Question id: 347


A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?

#Section 2: General Biology
  1. The concentration of Na+ ions will rise.

  2. The pH of the beaker's contents will increase.

  3. The pH of the beaker's contents will be neutral.

  4. The pH of the beaker's contents will decrease.

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TLS Online TPP Program

#Question id: 12911

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

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

TLS Online TPP Program

#Question id: 12912

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

Name the enzyme which separates the double-helical DNA into single strands.

TLS Online TPP Program

#Question id: 12913

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

________  involves the size analysis of restriction fragments produced by several restriction enzymes individually and in combination. 

TLS Online TPP Program

#Question id: 12914

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

 In Electrophoresis of DNA the gel is first soaked in the alkali then it is transferred to the membrane so that the ________

TLS Online TPP Program

#Question id: 12915

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

Which of the following statement is not correct about PCR.

TLS Online TPP Program

#Question id: 12916

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

Which statement is correct for Zoo blotting?