TLS Online TPP Program

#Question id: 749


Which of the following is correct for the A form of DNA structures?

#Part-A Aptitude & General Biotechnology
  1. a wider than B form.

  2. more compressed structure in which the base pairs are tilted with respect to the helix axis, and actually lie off the axis.

  3. The helical repeat of the A-form is around 11 bp/turn

  4. All of the above are correct.

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#Part-B Specialized Branches in Biotechnology

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#Part-B Specialized Branches in Biotechnology

which gives water a high tensile strength,

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#Part-B Specialized Branches in Biotechnology

If a tiny gas bubble forms in a column of water under tension, the gas bubble may expand indefinitely, with the result that the tension in the liquid phase collapses, it can have a devastating effect on water transport through the xylem a phenomenon known as

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#Part-B Specialized Branches in Biotechnology

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#Question id: 10564

#Part-B Specialized Branches in Biotechnology

The term Ys , called the solute potential or the osmotic potential, represents the effect of dissolved solutes on water potential,

a) The mixing of solutes and water reduces the disorder of the system and thereby lowers free energy

b) Solutes reduce the free energy of water by diluting the water

c) The mixing of solutes and water increases the disorder of the system and thereby lowers free energy

d) Solutes increases the free energy of water by diluting the water

 Which one of the following statements are INCORRECT?