What is osmosis and why is the process necessary for living things to survive
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Ответ:
It helps maintain a stable internal environment in living organism. it allows absorption a nutrients and and release of waste from the body
Explanation:
Ответ:
Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA fragments are negatively charged, so they move towards the positive electrode. Because all DNA fragments have the same amount of charge per mass, small fragments move through the gel faster than large ones.