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Nucleic acids

Quiz by , created over 11 years ago
A-Level Biology Quiz on Nucleic acids, created by sophie_burke on 24/03/2014.

Resource summary

Question 1

Question
What are nucleic acids?
Answer
  • The information molecules of the cell
  • Chains of amino acids
  • Mutated cells

Question 2

Question
How are nucleic acids stored?
Answer
  • They are unzipped and stored in the ribosomes
  • They are supercoiled
  • They take the form of a code in molecules of DNA

Question 3

Question
What is a mononucleotide made up of?
Answer
  • Pentose sugar, a nitrogen containing base, phosphoric acid
  • Triphosphate, nitrogen containing base, ligase
  • Pentose sugar, an oxygen containing base, phosphoric acid

Question 4

Question
The Purines bases have two nitrogen containing rings
Answer
  • True
  • False

Question 5

Question
How many nitrogen rings do pyrimidine's have?
Answer
  • 1
  • 2
  • 3

Question 6

Question
Which bases are pyramidines and which bases are purines?
Answer
  • Pyramidines: Cytosine and Guanine Purines: Adenine and Thymine
  • Pyramidines: Cytosine and Thymine Purine: Adenine and Guanine
  • Pyramidines: Adenine and Guanine Pyramidines: Cytosine and Thymine

Question 7

Question
A water molecule is added, not removed, during condensation reactions
Answer
  • True
  • False

Question 8

Question
Which bond is formed between mononucleotides during a condensation reaction
Answer
  • Hydrogen
  • Covalent
  • Phosphodiester
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