Answer:Like all viruses, phages are simple organisms that consist of a core of genetic material (nucleic acid) surrounded by a protein capsid. The nucleic acid may be either DNA or RNA and may be double-stranded or single-stranded.
Explanation:
Answer:
Explanation: Long-term control medications such as inhaled corticosteroids are the most important medications used to keep asthma under control.
Quick-relief inhalers contain a fast-acting medication such as albuterol.
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Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Well, we know that a lot of the ancient civilizations were first-handedly affected by disease. For example, Native Americans were severely impacted by the spread of pestilence. 90% of their population was completely killed off. I think that would be enough to concern them, don't you think? :P
