Scientists are using dna fingerprinting to identify the bodies of those killed in the 9/11 tragedy. most on-site evidence is in the form of bones or teeth. yet the evidence supplied by the victims' families may include hair or tooth brushes. how are scientists able to compare dna from bones or teeth to that found in hairs on a hairbrush?

C)DNA is the same in every cell of the body and does not change over time.

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.