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Answer:
Ribosomes
Explanation:
Ribosomes are in charge of making proteins (as far as I know this is their only function)
Answer
<u>Lungs</u> - "The human body posses to similar structures for inhalations and exhalation of air in the body". As lungs are in a pair and has the capacity of about 5 liters in total".
When the lungs face cold or humid air they operate as follows.
Explanation:
<u> Releasing Histamine</u>
lungs when faces cold air it release the chemical histamine in it so it can contract the soft muscle and contract the air ways.
<u> Humidifying the air</u>
As the human body has an inbuilt system to humidify the air up to 100 percent and 96' F in temperature for better operation.
The first difference is the size, cells are sized in micrometer (visible at optic microscope) and viruses in nanometer (electronic microscope).
Cells have both DNA and RNA, virus have only one genetic material (DNA or RNA).
Cells have always a membrane, not all the viruses have a membrane, but all of them have capsids in different forms.
Viruses cannot live on their own, they have to parasite a cell to proliferate. Cells can live by themselves and proliferate by scissiparity (divisions).
Cells have ribosomes to translate their RNA. viruses don't (they use the infected cells' ribosomes).