A woman is infected with human papillomavirus (HPV). This increases her risk of developing cervical cancer. Which statement explains this interaction between the two diseases?
A virus living inside cells is destroyed by lymphocytes, which then causes cancer
A virus living inside cells releases a toxin that stops the immune system working
A virus living inside cells can act as the trigger for a cancer to develop there
A virus living inside cells changes a benign tumour into a communicable disease
179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.