Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 51186
TLS Online TPP Program

#Question id: 762

Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?

#SCPH01 Biochemistry

  1. The sugar is always based on a heterocyclic ring that consists of one oxygen atom and four carbon atoms, one of which is connected to a fifth carbon atom, the 5’ carbon atom.

  2. The internal sugar residues in a DNA strand normally have free hydroxyl groups, unlike those in an RNA strand.

  3. Bases are covalently linked to the carbon 1’ atoms of the sugars.

  4. Neighboring sugar residues are linked to each other by a phosphodiester bond that connects the 3’ carbon atom on one sugar to the 5’ carbon atom of its neighbour.

More Questions
TLS Online TPP Program

#Question id: 13029

#SCPH01 Biochemistry

Mutation at Vir E and Vir B can repectively cause :
TLS Online TPP Program

#Question id: 10389

#SCPH05 I Biotechnology

The amount of light absorb by the plant per square meter (µmol m–2) known as
TLS Online TPP Program

#Question id: 303

#SCPH01 Biochemistry

Which condition favors the bond formation______
TLS Online TPP Program

#Question id: 6942

#SCPH28 | Zoology

How long does embryonic development (before 1st instar larva hatches) take in this organism?
TLS Online TPP Program

#Question id: 16485

#SCPH28 | Zoology

A modification of the original grid method is widely used to study the