How Do Viability Stains Usually Distinguish Between Living Cells and Dead

question 56

Multiple Choice

How do viability stains usually distinguish between living cells and dead cells?

• A) The chemical fluoresces only when bound to ribosomes that are actively synthesizing proteins.
• B) The chemical stain is taken up by living cells and once metabolized becomes fluorescent.
• C) The dye specifically targets intact cytoplasmic membranes.
• D) The dyeʹs fluorescence is quenched by dead cells.

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A startup or a new business established by an entrepreneur with the aim of seeking innovation, growth, and profit.

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