Because they have similar chemical structures, morphine and heroin are able to lock into receptor sites for

Answer & explanation:

Morphine and heroin are substances classified as opioids, substances that have effects close to opium or substances present in it, acting on receptor sites with the same name.

Morphine is one of the most potent painkillers, used in treatments for very severe pain, such as postoperative pain or burn pain.

Heroin was developed in laboratory from morphine, which has been used as a medicine for a long time (although banned in many countries) and only after decades has been classified as a harmful drug.

Heroin can cause effects on the human body such as euphoria and temporary feeling of well-being, similar to the effect of endorphin(which is a neurotransmitter). In addition, it has adverse reactions such as skin allergies, impotence and slow reflexes..

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.