Biology-B6-Mutations 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: tonisha_Created on: 12-02-23 15:33 Mutations are changes to what? the base 1 of 22 These happen? all the time 2 of 22 A change to the base could lead to a change for a? specific amino acid 3 of 22 This changes the ______ of the protein? shape 4 of 22 Which changes its? function 5 of 22 Chromosomes also contain _____-______ parts of DNA? non coding 6 of 22 These regions _____ genes ____ and ____? turn genes on and off 7 of 22 A mutation could cause the gene to do what? turn on when it should be off 8 of 22 This could cause a _______ to made at a time it ______? protein shouldnt 9 of 22 This could have a significant effect e.g. lead to? uncontrolled mitosis and lead to cancer 10 of 22 Some mutation could have serious? effects 11 of 22 For example an enzyme's? active site shape may be changed so the substrate can no longer bind to it 12 of 22 Structural proteins like? collagen 13 of 22 Could lose its? strength 14 of 22 What are the three different mutations? insertions deletions substitutions 15 of 22 Insertion is where a _____ _____ is inserted into a DNA ______ where it ______ be? a new base is inserted into a DNA sequence where it shouldnt be 16 of 22 This changes the way the codons are? read 17 of 22 Which can change the? amino acid it is coding for 18 of 22 These can have what type of effect? a knock on effect 19 of 22 Since they could affect bases? further on in the sequence 20 of 22 Deletions are where a _______ base is _______ from the sequence? a random base is deleted 21 of 22 Substitution is where a ______ base is _______ to a different base in the sequence? a random base is changed 22 of 22
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