mariap3504
28.07.2019 •
Biology
Why will an animal cell burst when placed in freshwater?
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Ответ:
Beause fresh water is hypoosmotic
Explanation:
Water will try to get into the cell because the two different solutions enviroments, in and out the cell, which are separated with a semi-permeable barrier (only allows to pass throught water), will try to reach the same concentration.
Ответ:
develop and use new antibiotics
Explanation: The discovery of the first antibiotic, penicillin, over 90 years ago, has revolutionised modern medicine. Since then, antibiotics have become one of the most common classes of drugs – used to prevent and treat infections, and make possible complex surgeries that have become routine, from caesarean sections to hip replacement surgeries and organ transplants.