In plants it's identical.. ND in animals it's genetically unique
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I can't see the pictures are you sure you uploaded them please lmk
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dyes used in negative staining have an. acidic chromagen (negatively charged chromophore) Examples of negative stains. NIgrosin and eosin. heat fixing smears can.
Spread of disease is density dependent because it is more severe the greater the population density as the disease would spread more easily. If there is low population density it would spread slower.
Most of the energy is converted to heat, I think.......... Hope it helps, Have a nice day :)