DNA Structure, Genes, and Chromosomes
question 1 of 37
course: Biomedical Science(Degree)
Q: What is the term for a long, continuous molecule of DNA that contains many genes?
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True. When formaldehyde becomes acidic (forming formic acid), it reacts with hemoglobin in red blood cells to form acid formaldehyde hematin, a brown-black, crystalline pigment. It's an artifact that can be mistaken for pathological pigments like hemosiderin.
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