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TLS Online TPP Program

#Question id: 20088

Which sentence is correct with respect to bond enthalpy ?

#XL - P Chemistry
  1. As bond order is more, then bond dissociation enthalpy is less
  2. As atomic volume is more, then bond energy is more.
  3. As bond enthalpy is more, then stability of molecule or ion is less.
  4. As number of nonbonding election pair on bonded atom then bond enthalpy is less.
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TLS Online TPP Program

#Question id: 745

#XL - Q Biochemistry

The structure of RNA differs from that of DNA, as RNA contains:
TLS Online TPP Program

#Question id: 746

#XL - Q Biochemistry

Two separate chains of DNA are wound around each other, each following a helical (coiling) path, resulting in:
TLS Online TPP Program

#Question id: 747

#XL - Q Biochemistry

In nucleic acids, the bases are covalently attached to the 1-position of a pentose sugar ring, to form a:
TLS Online TPP Program

#Question id: 748

#XL - Q Biochemistry

The bond between the bases and the sugars in DNA referred as:
TLS Online TPP Program

#Question id: 749

#XL - Q Biochemistry

Which of the following is correct for the A form of DNA structures?
TLS Online TPP Program

#Question id: 750

#XL - Q Biochemistry

In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100°C, nucleic acids tend to: