DNA 0.0 / 5 ? BiologyDNA and inheritanceGCSECCEA Created by: annaquinnCreated on: 28-05-18 11:04 What does DNA stand for? Deoxyribonucleic acid 1 of 22 Where is this found? In the nucleus of a cell 2 of 22 What is a gene? Short lengths of DNA that code for a particular protein or characteristic 3 of 22 What three components make up a nucleotide? 1. Phosphate 2. Deoxyribose sugar 3. Base (A/T/C/G) 4 of 22 What is the structure of DNA? Double helix 5 of 22 Name the 4 bases found in DNA. 1. Adenine 2. Guanine 3. Thymine 4. Cytosine 6 of 22 What rule is used to put the bases together? Base pairing rule 7 of 22 What are the pairs of bases? 1. Adeneine and Thymine (A/T) 2. Cytosine and Guanine (C/G) 8 of 22 What is the genetic code? The arrangement and order of bases along the length of the DNA 9 of 22 What is a protein? A large number of amino acids in a specific order with peptide bonds 10 of 22 What codes the protein structure? The DNA 11 of 22 What does each base triplet code for? A patricular amino acid 12 of 22 What is Protein Synthesis? When the sequence of base triplets are exactly correct 13 of 22 What did the scientist Erwin Chargaff discover? The rule of base pairing 14 of 22 When? 1950 15 of 22 What did Franklin and Wilkins discover? The overall shape of the DNA and that the phosphate was on the outside 16 of 22 How did they do this? X-ray diffraction (crystallography) 17 of 22 When was this dicovery made? 1950-1953 18 of 22 What did Watson and Crick discover? The double helix structure of DNA 19 of 22 How did they do this? 3D modelling 20 of 22 When was this discovery made? 1953 21 of 22 What is peer review? Process of self-regulation and evaluation involving scientists within the same research field 22 of 22
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