Glucose is absorbed from the small intestine into the blood.
Glucose is still absorbed when the concentration of glucose in the small intestine is lower than in the blood.
Which statement explains this?
Glucose diffuses into the blood because the intestine has a large surface area.
Glucose is moved into the blood by active transport using energy from respiration.
Glucose moves into the blood by osmosis because the blood has a lower water potential.
Glucose diffuses into the blood from a low concentration to a high concentration.
194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.