Complete the sentences in the following questions. Why do you believe you have to use a thin covering of onion skin for the microscope rather than a large coating?

Iodine generates a blue-black tint when it combines with starch. Plants store food in starch, which is a white material. What structure did you notice was improved as a result of the iodine? Why did you think this arrangement was more appealing?

What structures in the unstained onion tissue become evident as the power increased from low to high?

What features in the stained onion tissue become evident as the power increased from low to high?

What is the shape of a cell in an onion?