Statistics for nucleic acids: A level-OCR

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General Stats

  • This quiz has been taken 13 times
  • The average score is 21 of 32

Answer Stats

HintAnswer% Correct
how many bonds form between A and T bases?2
100%
name a purine baseadenine/guanine
100%
what is the sugar present in RNA?ribose
100%
name the base present in RNA but not DNAuracil
100%
how many codons would a codon code if a codon could code 1 amino acid?3
92%
how many bases make up a codon?3
92%
What is the sugar in DNA?deoxyribose
92%
what is the shape DNA is twisted to form?double helix
92%
name a pyrimidine basethymine/cytosine
92%
which strand (parallel or anti parallel) run 3' prime to 5' prime?antiparallel
85%
what catalyses the breaking of H-bonds between bases?helicase
85%
What is complimentary to the base adenine in DNA?thymine
85%
there are 3 types of RNA; messenger, ribosomal and.....transfer
85%
In SCR 2 strands are used as templates, how many are in the formation of mRNA?1
77%
what does ATP stand for?adenosine triphosphate
69%
the sequence of nucleotide bases determines the sequence of what in the polypeptide?amino acids
69%
what bonds form between the sugar and phosphate group via a condensation reaction?phosphodiester
69%
when attempting to observe DNA, what alcohol is added to form a white precipitate?ethanol
62%
what bonds form between the amino acids left behind by the tRNA?peptide
62%
what catalyses the formation of the new sugar phosphate backbone?polymerase
62%
what is the process that occurs when mRNA reaches a ribosome?translation
62%
how many bases fit in a ribosome?6
54%
name the anticodon for the codon UACAUG
54%
what codon hates dogs?CAT
54%
what is the name given to the formation of mRNA?transcription
54%
sequences of DNA nucleotide bases that code for a polypeptide chaingene
46%
what catalyst is used in the unwinding of DNA?gyrase
31%
what is the name given to DNA replication?semi conservative replication
31%
when investigating SCR, an isotope of what element was used?nitrogen
23%
what is the name given to the original strands in SCR?template
8%
what protein is used to fold the polypeptide chain into its tertiary structure?chaperone
0%
why is salt used when attempting to observe DNA?joins DNA
0%

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