The appearance of a pink or blue color in a thioglycolate tube means that oxygen is present in that part of the tube. The different colors depend on which dye has been added. Pink color comes from resazurine, and blue is from methylene blue.
<span>b) a mixture of organelles and cytosol </span>
There's a great picture that I attached below that is a great representation
They would not be able to fit into a semipermeable membrane it will just pass threw