Biology 2 DNA and Protein Synthesis 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: seyitangraceCreated on: 07-05-14 18:20 Why is the shape of DNA described as a double helix ? Because two helixs are twisted in a spiral shape 1 of 6 What holds the two strands together in a DNA molecule ? Hydrogen bonds between C & G & A & T 2 of 6 How does the structure of one protien differ from another ? The structure has a different order of Amino acids. 3 of 6 Why is the genetic code described as a triplet ? Each sequence has different base codes of amino acids 4 of 6 In a DNA, 34% of the bases are the base G. What percentage are base T ? 16% 5 of 6 Whats the meaning of a gene unzipping ? The double helix unwinds and the base pairs seperate. 6 of 6
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