Question Detail

BIO 201 Objective Question

Question

In parallel cell viability diagnostic assays (e.g., MTT assay), what biological activity is directly quantified?
Options
A Mitochondrial reductase enzyme activity in metabolically active cells.
Correct Answer
B Integrity of the nuclear envelope membrane during early apoptosis.
C Rate of active protein synthesis by cellular ribosomal complexes.
D Total DNA content undergoing semi-conservative replication.
Correct Answer

Option A is the correct answer.

Detailed Explanation

The MTT assay measures metabolic reduction of tetrazolium salt to purple formazan by mitochondrial dehydrogenases, reflecting cell viability.

Hint

No hint available

Question Info