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Fireburntbudder
23.09.2019 •
Biology
Amarine clam is mistakenly added to a freshwater aquarium. what will happen to the clam and why? popcorn sold at movie theaters is very salty, causing people to become thirsty and to buy so drinks. explain why salty popcorn causes this thirst.
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Ответ:
The clam would die. This is because its cells would swell up and lyse. The freshwater is hypotonic to the cell’s protoplasm. Water, therefore, enters the cells through osmosis and the cell swell up until the water pressure inside causes them to burst. The cells die and therefore the clam is unable to survive in the freshwater.
The salt in the popcorn is taken up by the body and hence the concentration of electrolytes in the blood slightly increases. This causes a feedback mechanism to be initiated by the body –hypothalamus in particular- to restore electrolyte homeostasis. The thirst is as a result of an increase in antidiuretic hormone in the body produced by the pituitary gland.
Ответ:
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. ... Water molecules attract one another based on the attraction between the positive end of one water molecule and the negative end of another.