Practice Questions

TLS Online TPP Program

#Question id: 762

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

#XL - Q Biochemistry

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.
The internal sugar residues in a DNA strand normally have free hydroxyl groups, unlike those in an RNA strand.
Bases are covalently linked to the carbon 1’ atoms of the sugars.
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: 34846

#XL - R Botany

Which of the following are true about secondary meristems?

TLS Online TPP Program

#Question id: 34847

#XL - R Botany

Which of the following meristematic tissues are responsible for secondary growth in dicots?

TLS Online TPP Program

#Question id: 34912

#XL - R Botany

Which of the following botanists contributed to the development of artificial systems of plant classification?

TLS Online TPP Program

#Question id: 34913

#XL - R Botany

Which of the following are key features of Linnaeus’ classification system?

TLS Online TPP Program

#Question id: 34914

#XL - R Botany

The following systems of classification are considered natural.

TLS Online TPP Program

#Question id: 34915

#XL - R Botany

Which of the following botanists are associated with phylogenetic systems of classification?