The contractile vacuole of Paramecium functions in what role?
a. Feeding
b. Locomotion
c. Reproduction
d. Water regulation
e. Defense
Answer: Water regulation
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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.
The difference between an akinete and endospore is that:
A. Akinetes are whole cells filled with food, whereas endospores are bodies produced inside of cells. B. Akinetes are not capable of locomotion whereas endospores move freely. C. Akinetes cannot resist stressful conditions whereas endospores can. D. Endospores cannot resist stressful conditions whereas akinetes can. E. Akinetes are reproductive structures whereas endospores are dormant, resistant structures.
Which of the plant growth regulators is not transported, but stays within the cell that produced it?
a. gibberellins b. ethylene c. phytochrome d. cytokinins e. auxins
Amanda was studying turtles based on DNA analysis. Under the current classification scheme, which of the following turtle species are thought to be most closely related? (1) Graptemys ouachitensis, (2) Trachemys scripta, (3) Apalone spinifera, (4) Graptemys kohni.
A. 1 and 4 due to inductive reasoning B. 2 and 3 due to deductive reasoning C. 2 and 3 due to inductive reasoning D. 1 and 4 due to deductive reasoning E. 1 and 3 due to inductive reasoning F. 1 and 3 due to deductive reasoning