What correctly describes the effect of carcinogens on lung tissue that causes a tumour to develop?
1 )
Cells in damaged alveoli walls divide more rapidly to replace damaged areas.
2 )
Cilia are paralysed and mucus accumulates in the lungs causing DNA to change.
DNA changes, causing bronchial epithelial cells to divide by mitosis in an uncontrolled way.
4 )
Haemoglobin carries less oxygen, causing bronchial cells to divide by mitosis in an uncontrolled way.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!