Definitely B, the lowest concentration of dye resides in the top of the cup:)
There is a big difference. A polysomnograph is only capable of measuring the electrical activity associated with eye movement, in particular during sleep. An EEG measures the electrical current that are passing in your brain and is not limited to sleep medicine but neurology and diagnostic medicine. You'd use a poly. During sleep studies.
A. the mitochondria and chloroplasts are much different in structure than bacteria
Banana peels can be decomposed by bacterial action, so they are biodegradable.
The answer is 23 chromosomes.
