Some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).
<h3>What is a virus?</h3>
A virus is a non-living entity that needs a suitable host to reproduce its genetic material (DNA or RNA).
Viruses may contain a genetic material composed of other DNA or RNA but not both.
In conclusion, some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).
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No. A mixture is a combination of two or more other substances.
<h2>Cyclothymia</h2>
Explanation:
Cynthia should be diagnosed with Cyclothymia.
According to the question, Cynthia is moody and shows short periods of mood swings. Her mood changes spontaneously and then she gets normal. This might be confused as bipolar disorder but it is not so because bipolar disorders is characterized by long episodes of particular mood states. Secondly, Cynthia is able to lead a normal life. So, she is suffering from Cyclothymia.
Because every part of the tongue can taste a variety of tastes.