The technique shown in Image B is most likely the:
a) Auramine-rhodamine
b) PAS
c) Kinyoun
d) Thioflavin T
Answer: a) Auramine-rhodamine
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If FRAP is performed on two membranes, one at 25 ºC and the other at 40 ºC, which one of the following results would most likely be observed?
A. Only the membrane at the higher temperature would be capable of recovering fluorescence in the bleached area. B. Only the membrane at the lower temperature would be capable of recovering fluorescence in the bleached area. C. Both membranes would recover fluorescence in the bleached area, but the membrane at the colder temperature would recover more rapidly. D. Both membranes would recover fluorescence in the bleached area, but the membrane at the warmer temperature would recover more rapidly. E. Both membranes would recover fluorescence in the bleached area, and at the same rate.
Which of the following is a feature of woody stems (in temperate regions) but not of herbaceous stems?
A. bud scale scars B. internodes C. nodes D. axillary buds E. shoot tip
Water inside xylem is pulled upward by:
a. turgor pressure b. tension c. osmotic gradients d. pressure flow forces e. translocation
When is the PO2 an especially strong stimulant of the respiratory control center in the brain of healthy individuals?
A. While hypoventilating B. While free-diving to a coral reef 60 feet below the surface of the sea C. While running a road race along the shoreline of Vancouver D. While hyperventilating E. While climbing to the summit of Mt. Everest