Which of the following structural features is present in both mitochondria and chloroplasts?
Cristae\text{Cristae}Cristae
Thylakoids\text{Thylakoids}Thylakoids
70S ribosomes70\text{S ribosomes}70S ribosomes
Stroma\text{Stroma}Stroma
22 exam-style questions on OCR A A Level Biology Cell structure. Each one has a worked solution and a mark scheme showing where the marks go.