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TLS Online TPP Program

#Question id: 264

Supercoiling of pure circular DNA is a result of ________.

#Section 2: General Biology

  1. underwinding or overwinding of the helix

  2. entanglements because of the long length of the strands

  3. the lack of associated histones

  4. the activity of exonucleases

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TLS Online TPP Program

#Question id: 15491

#Section 4: Fundamentals of Biological Engineering

The respiratory coefficient for the reaction    is defined as
   
TLS Online TPP Program

#Question id: 1836

#Section 2: General Biology

What is the feature that best uniquely describes NK cell activity against a virus-infected cell?
TLS Online TPP Program

#Question id: 363

#Section 4: Fundamentals of Biological Engineering

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)
TLS Online TPP Program

#Question id: 15645

#Section 4: Fundamentals of Biological Engineering

An aluminium pot contains water that is kept steadily boiling (100 °C). The bottom surface of the pot, which is 0.012 m thick and 1.5 x 104 mm2 in area, is maintained at a temperature of 102 °C by an electric heating unit. Find the rate at which heat is transferred through the bottom surface. Given k= 235 W.m-1.K-1
TLS Online TPP Program

#Question id: 1648

#Section 2: General Biology

The complementarity determining regions (CDRs):