What aspects of amino acid structure are involved in the formation and stabilisation of beta-sheets in proteins?
Start with a paragraph that describes important basic information to introduce your answer. Then increase the detail to give a full answer. What points do you need to describe overall and what order should they go in?
What should the diagram look like and what labels does it need? Can you draw it quickly but clearly?
Will your writing be readable? We are fairly good at reading poor writing, but we're only human. We can't mark what we can't read.