A patient's bone marrow produces faulty red blood cells. Why can a bone marrow transplant treat this patient?
The donated bone marrow contains antibodies that destroy faulty blood cells
The donated bone marrow contains red blood cells that keep dividing in the patient
The donated bone marrow contains stem cells that form healthy blood cells
The donated bone marrow contains enzymes that repair the faulty blood cells
63 exam-style questions on AQA GCSE Biology 1.2 Cell division, covering 1.2.1 Chromosomes, 1.2.2 Mitosis and the cell cycle, and 1.2.3 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.