What is a mutation?, A normal protein produced by a cell, A type of infectious agent, A change in the DNA sequence, A chromosome that fails to divide, Which of the following can cause a mutation?, Increased heart rate, Drinking too much water, High levels of oxygen, Errors during DNA replication, Most mutations are:, Immediately fatal, Neutral and have no noticeable effect, Always beneficial, Always harmful, Which condition is caused by a harmful mutation affecting protein function?, Cystic fibrosis, Influenza, Appendicitis, Osteoarthritis caused by ageing, Why do mutations sometimes lead to disease?, They always destroy DNA, They create too much ATP, They change how proteins are made or how they function, They increase the number of chromosomes.

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