Tanya is correct. What does something look like --- What do potato cells look like? As for the 's for possession/relationship, we only use this with people or living animals (usually just for pets). Otherwise, we show possession the way you do in Spanish: The (noun) of the (noun) The branches of the tree The roof of the house The spire of the church And then we have the means, in English, to use the SECOND noun as an adjective to describe the first one. the cells of the potato > the potato cells (what kind of cells? POTATO cells; 'potato' here is used as an adjective, so does not get modified (that is, you do not change it in any way for the plural ) the spire of the church > the church spire the branches of the tree> the tree branches

(How do potato cells look like in the microscope? How do potato’s cells look like in the microscope?) Those both sentences are correct. In the first one you used potato as an adjective in the second you are talking about the cells of the potato. However, we say "under or through a microscope not in". (There are some ones dyed pale red and scattered and others deep red ones and together) There are some ones WHICH ARE dyed pale red, OTHER ONES are scattered and others ARE deep red together

What do potato cells look like under a microscope? you can use possessive "s" only with people or animals.

Thank you Benjamin. Do we never use the 's regarding things like potato cells? I don't know if it is just for people

How do potato cells look like in the microscope? How do potato’s cells look like in the microscope? Neither - try 'What do potato cells look like under the microscope? ' I would also like to know if I have written this sentence correctly* There are some dyed pale red and widely scattered, while others are deep red and close(r) together / more concentrated