DNA

  • Created by: annaquinn
  • Created on: 28-05-18 11:04
What does DNA stand for?
Deoxyribonucleic acid
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Where is this found?
In the nucleus of a cell
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What is a gene?
Short lengths of DNA that code for a particular protein or characteristic
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What three components make up a nucleotide?
1. Phosphate 2. Deoxyribose sugar 3. Base (A/T/C/G)
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What is the structure of DNA?
Double helix
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Name the 4 bases found in DNA.
1. Adenine 2. Guanine 3. Thymine 4. Cytosine
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What rule is used to put the bases together?
Base pairing rule
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What are the pairs of bases?
1. Adeneine and Thymine (A/T) 2. Cytosine and Guanine (C/G)
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What is the genetic code?
The arrangement and order of bases along the length of the DNA
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What is a protein?
A large number of amino acids in a specific order with peptide bonds
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What codes the protein structure?
The DNA
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What does each base triplet code for?
A patricular amino acid
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What is Protein Synthesis?
When the sequence of base triplets are exactly correct
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What did the scientist Erwin Chargaff discover?
The rule of base pairing
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When?
1950
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What did Franklin and Wilkins discover?
The overall shape of the DNA and that the phosphate was on the outside
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How did they do this?
X-ray diffraction (crystallography)
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When was this dicovery made?
1950-1953
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What did Watson and Crick discover?
The double helix structure of DNA
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How did they do this?
3D modelling
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When was this discovery made?
1953
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What is peer review?
Process of self-regulation and evaluation involving scientists within the same research field
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Other cards in this set

Card 2

Front

Where is this found?

Back

In the nucleus of a cell

Card 3

Front

What is a gene?

Back

Preview of the front of card 3

Card 4

Front

What three components make up a nucleotide?

Back

Preview of the front of card 4

Card 5

Front

What is the structure of DNA?

Back

Preview of the front of card 5
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