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DNA fragments can be seen in which colored bands when they are stained with ethidium bromide and exposed to UV radiation ?

AYellow

BBright orange

CRed

DBright yellow

Answer:

B. Bright orange

Read Explanation:

When DNA fragments are stained with ethidium bromide and exposed to UV radiation, they appear as:

Orange-colored bands

  • Ethidium bromide intercalates into the DNA double helix and emits a bright orange fluorescence when excited by UV light, making it possible to visualize the DNA fragments.


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