1.1 Cells and movement across membranes

Practice questions on Cells and movement across membranes

• Describe the differences between a plant cell and an animal cell in terms of their structu… (4 marks, Describe)
• Explain why a single-celled organism such as Amoeba can carry out all life processes witho… (4 marks, Explain)
• Explain how cells are organised in a multicellular organism, starting from the cell level … (4 marks, Explain)
• Describe the features of a prokaryotic cell and explain how it differs from a eukaryotic c… (4 marks, Describe)
• A student places a piece of potato in a dilute sugar solution. After 30 minutes, the potat… (4 marks, Explain)
• Explain why urea moves from liver cells into the blood. (4 marks, Explain)
• Explain why water moves out of a plant root hair cell when it is placed in a concentrated … (4 marks, Explain)
• Explain why glucose moves from the small intestine into the blood after a meal. (4 marks, Explain)
• Explain why oxygen moves from the lungs into the blood during breathing. (4 marks, Explain)
• Explain why cells in a multicellular organism become specialised, and describe how groups … (4 marks, Explain)