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 dye's fluorescence is quenched by dead cells.
Answer: C
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Asexual reproduction in ascomycetes takes place by means of
A. ascogonia. B. ascospores. C. conidia. D. motile gametes. E. zygospores.
Can you distinguish between the chromatograms of an Aa individual and an AA individual?
a. Yes b. No
Mosquito-transmitted roundworms cause a tropical disease called ____
a. trematodiases b. human echinococcosis c. lymphatic filariasis d. onchocerciasis e. dracunculiasis
Which of the following hormones is involved most directly in carbohydrate absorption?
1.gastrin
2.secretin
3.cholecystokinin
4.glucose insulinotropic peptide