Edexcel A-Level Biology A: Salters-Nuffield (9BN0) · EDEXCEL 9BN0
1 Lifestyle, transport, genes and health
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Lifestyle, transport, genes and health
- A 55-year-old man has been told by his doctor that he has cardiovascular disease and will … (5 marks, Evaluate)
- Explain how a diet high in saturated fat and salt can lead to cardiovascular disease. (5 marks, Explain)
- Coronary heart disease (CHD) is a form of cardiovascular disease. Explain how a build-up o… (5 marks, Explain)
- A patient has a blocked coronary artery. Explain why a blockage in a coronary artery is da… (5 marks, Explain)
- Explain how the components of blood are adapted to carry out their functions in the transp… (5 marks, Explain)
- Explain how the structure of capillaries is adapted to allow the exchange of substances be… (5 marks, Explain)
- Explain how the structure of red blood cells makes them well suited to carrying oxygen aro… (5 marks, Explain)
- Explain how the structure of a capillary makes it well suited to exchanging substances bet… (5 marks, Explain)
- Explain how the structure of a vein makes it well suited to returning blood to the heart. (5 marks, Explain)
- Explain how the structure of an artery makes it well suited to carrying blood away from th… (5 marks, Explain)
- Explain the role of messenger RNA (mRNA) in protein synthesis. (5 marks, Explain)
- Sickle cell disease is a genetic disorder caused by a recessive gene mutation. A person wi… (5 marks, Explain)
- Explain how the structure of arteries and veins is related to their function in the circul… (5 marks, Explain)
- Red blood cells are placed into three different solutions. In solution A, the cells swell … (5 marks, Explain)
- A gene mutation can change the base sequence of DNA. Explain how a gene mutation in a body… (5 marks, Explain)
- Explain how glucose moves from a high concentration in the small intestine into an epithel… (5 marks, Explain)
- A scientist investigates the effect of temperature on the permeability of cell membranes. … (5 marks, Explain)
- Explain why oxygen moves from the alveoli into the blood in the lungs, and why carbon diox… (5 marks, Explain)
- A student places a piece of potato tissue into a solution that has a lower water potential… (5 marks, Explain)
- Huntington's disease is a genetic disorder caused by a dominant gene mutation. A person wh… (5 marks, Explain)
▶ Practise Lifestyle, transport, genes and health with instant AI marking (free) →