Nutrients cross the membrane wall with the help of protein channels.
Transmission electron microscope produces the image through a beam of electrons. It is most useful to inspect the morphology, cyrstallization, and magnetic characteristics of a certain sample.
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QUESTION NUMBER ONE IS A AND FOR QUESTION NUMBER TWO IT IS B
Answer: in the production systems of coal-burning power plants
The answer is “C”. Natural selection is about ones traits being better than another’s which allow it to survive in the wilds longer.