Syvum Home Page

Home > Quiz Games > Biology > DNA Molecule >

Structure and chemical composition of DNA


This quiz is based on the physical structure and chemical composition of DNA. It deals with basic concepts related to DNA chemistry and DNA methods.
 

Formats Info Page Worksheet / Test Paper Quiz Review
Multiple choice

Your Performance  

1.

The single stranded molecule that is transcribed from a DNA template (i.e a photocopy of a specific section of the DNA molecule) and is subsequently used to manufacture proteins is :

  mRNA

  snRNA

  rRNA

  tRNA

  Half-n-half Clue
 

2.

The number of hydrogen bonds that hold the Adenine - Thymine base pair together is :

  4

  2

  3

  5

  Half-n-half Clue
 

3.

Each nucleotide in a DNA molecule consists of :

  a phosphate group, a pentose sugar, and a oxygen base.

  a phosphate group, a hexose sugar and a nitrogeneous heterocyclic base.

  a sulfonyl group, a pentose sugar, and a nitrogeneous heterocyclic base.

  a phosphate group,a pentose sugar and a nitrogeneous heterocyclic base.

  Half-n-half Clue
 

4.

A nucleoside consists of :

  a hexose sugar and a nitrogeneous heterocyclic base.

  a pentose sugar and a nitrogeneous heterocyclic base.

  a phosphate group, a pentose sugar and a nitrogeneous heterocyclic base.

  a pentose sugar and a oxygen base.

  Half-n-half Clue
 

5.

The DNA molecule is a polymer. Its monomer units are :

  nucleotides

  amino acids

  nucleic acids

  nucleosides

  Half-n-half Clue
 

6.

Which base is found in RNA but not DNA ?

  Cytosine

  Adenine

  Uracil

  Thymine

  Half-n-half Clue
 

7.

A significant difference between prokaryotes and eukaryotes is :

  Prokaryotes do not have DNA as their genetic material while eukaryotes do.

  The DNA of prokaryotes floats freely around the cell while the DNA of eukaryotes is held within its nucleus.

  Prokaryotes do not have ribosomes while eukaryotes do.

  Prokaryote cells are not membrane-bound while eukaryote cells are.

  Half-n-half Clue
 


 
5 more pages in Molecular Biology


Contact Info © 1999-2017 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright
Previous
-
Next
-