Topic 2

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Mononucleotide
A molecule consisting of a phosphate group, pentose sugar and nitrogenous base that forms a polynucleotide chain, joined by phosphodiester bonds, to form DNA.
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Complementary base pairing
Adenine pairs with thymine, cytosine pairs with guanine.
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Semi-conservative replication
The nature of DNA replication where a new synthesised DNA molecule contains one parent strand and one new strand.
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Codon
Three bases on DNA or RNA.
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Messenger RNA (mRNA)
A copy of a section of DNA that carries information from the DNA in the nucleus out into the cytoplasm.
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Transfer RNA (tRNA)
Picks up particular amino acids from the cytoplasm.
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Translation
The synthesis of mRNA. DNA double helix unzips and exposes a section for free nucleotides
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Gene mutation
When the polypeptide chain sequence is altered and affects protein synthesis.
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Other cards in this set

Card 2

Front

Adenine pairs with thymine, cytosine pairs with guanine.

Back

Complementary base pairing

Card 3

Front

The nature of DNA replication where a new synthesised DNA molecule contains one parent strand and one new strand.

Back

Preview of the back of card 3

Card 4

Front

Three bases on DNA or RNA.

Back

Preview of the back of card 4

Card 5

Front

A copy of a section of DNA that carries information from the DNA in the nucleus out into the cytoplasm.

Back

Preview of the back of card 5
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