Answer:
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The paramecium receives water through a process known as osmosis, where the water outside the paramecium passes through the paramecium's cell membrane.
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Answer:
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.
Explanation:
The Hershey and Chase experiments showed that the inherited genetic material was DNA (deoxyribonucleic acids). In this experiment, the scientists labelled the DNA molecule with a radioactive isotope of phosphorus.
Centrifugation causes the separation of different components according to their size. So, by blending, they centrifugated the mixture of virus and the bacteria, which separated the viral protein capsule and the bacteria. Later, they found that the virus infected bacteria contains the DNA of bacteria, not the protein.
Hence, bacterial cultures infected with a virus were agitated in a kitchen blender to separate the protein coat of virus from the bacteria.
Answer
its A
Explanation:
A tsunami is a series of enormous waves created by an underwater disturbance usually associated with earthquakes occurring below or near the ocean.
Answer:
Change a light. Replacing one regular light bulb with a compact fluorescent light bulb will save 150 pounds of carbon dioxide a year.
Drive less. Walk, bike, carpool or take mass transit more often. ...
Recycle more. ...
Check your tires. ...
Use less hot water. ...
Avoid products with a lot of packaging. ...
Adjust your thermostat. ...
Plant a tree.
Explanation:
