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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Definitions:

Salvage Value

The estimated residual value of an asset at the end of its useful life, often used for depreciation calculations.

Total Operating Income

The profit achieved from a company's core business operations, excluding deductions of taxes and interest.

Net Cash Inflows

The amount by which the cash inflow from operations exceeds its cash outflow, usually measured within a specific period.

Net Cash Inflow

The excess of cash receipts over cash disbursements during a certain period, reflecting the liquidity generated from operations.