Examlex
Explain the interrelationship between metabolism of folate and vitamin B12.
Retrovirus
An RNA virus that uses reverse transcriptase to produce a DNA intermediate, known as a DNA provirus, in the host cell. See DNA provirus.
HIV
Human Immunodeficiency Virus, a virus that attacks the immune system, leading to AIDS if not treated.
Monophyletic
Referring to a group of organisms that consists of all the descendants of a common ancestor.
Descendants
Offspring or future generations derived from a common ancestor.
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