To get a better look at it.
Or
To enhance visualization of the cell or certain cellular components
Yes, living things break down polysaccharide into simple sugars.
They are called Polygenic Traits and height is an example.
Answer:
The control sample is those sample that is used in the experiment to guarantee that the examination of the experiment is done properly and the results that are obtained are reliable.
These samples are an important component of the quality assurance that is used in order to prevent any inaccuracy of the laboratory results.