Please choose the correct answer to the question: A researcher is viewing a cell that has cell walls. To best narrow down the taxonomic group from which the cell belongs, which question should a researcher ask?

Answer1: What is the composition of the cell walls? Answer2: Is a cell membrane also present? Answer3: Can any substances pass through the cell walls? Answer4: Do the cell walls help the cell to survive?

Answer format: answer1/answer2/answer3/answer4
Answer: answer1