A2.1 Origins of cells - LUCA written task
This structured extension question is in the style of the IB exam questions. It has a particular focus on the concept of a lastuniversal common ancestor, LUCA. The question begins with a little bit of information. This provides some clues to help answer the questions, but it doesn't give the answers. Links need to be made between the details of the course and the points given in the question.