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AQA GCSE Biology > 4.6.1.5 DNA structure (SINGLE) > Flashcards

4.6.1.5 DNA structure (SINGLE) Flashcards

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1
Q

DNA is a p_______

A

polymer

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2
Q

DNA polymers are made up of…

A

repeating nucleotide units (nucleotide monomers)

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3
Q

parts of a nucelotide?

A
  • sugar
  • phosphate
  • base
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4
Q

what are the 4 bases in DNA?

A

A, C, G and T
(adenine, cytosine, guanine, thymine)

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5
Q

In a long DNA molecule, how are the sugar and phosphate arranged?

A
  • alternating sugar and phosphate sections
  • attached to each sugar is one of the four bases (A, C, G or T)
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6
Q

how do the bases in DNA code for a particular amino acid sequence?

A
  • a sequence of 3 bases is the code for an amino acid
  • the order of the bases controls the order of the amino acid sequence to produce a particular protein
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AQA GCSE Biology (43 decks)

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