If you observe a cell nucleus under a compound microscope, you will not see a molecule of dna. why will you be able to see the dna you extract?

The DNA is comprised of thousand of molecules condensed together which is visible under a microscope. 

Ithink the answer is d.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.