The lining of the small intestine is folded into many small projections. These give the small intestine a very large surface area for absorbing digested food. What are these projections called?
[1]
A
Alveoli
B
Lamellae
C
Stomata
D
Villi
Markscheme
1.3 Transport in cells Questions
58 exam-style questions on AQA GCSE Biology 1.3 Transport in cells, covering 1.3.1 Diffusion, 1.3.2 Osmosis, and 1.3.3 Active transport. Each one has a worked solution and a mark scheme showing where the marks go.