The upper epidermis of a leaf is transparent. Many palisade cells are close to the upper surface.
How do these features help photosynthesis?
Light passes through to cells containing many chloroplasts.
Carbon dioxide passes through to cells containing many mitochondria.
Carbon dioxide passes through to cells containing many chloroplasts.
Light passes through to cells containing many mitochondria.
44 exam-style questions on Edexcel GCSE Biology 6.1 Photosynthesis, covering 6.1.1 Photosynthetic organisms as producers, 6.1.2a Limiting factors on the rate of photosynthesis, 6.1.2b Interactions of limiting factors on photosynthesis, and 6.1.3 Inverse square law and light intensity. Each one has a worked solution and a mark scheme showing where the marks go.