Based on the figure above, which of these experimental treatments would increase the rate of sucrose transport into the cell?
A) decreasing extracellular sucrose concentration
B) decreasing extracellular pH
C) decreasing cytoplasmic pH
D) adding an inhibitor that blocks the regeneration of ATP
E) adding a substance that makes the membrane more permeable to hydrogen ions
Answer: B
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The maintenance of Hardy-Weinberg equilibrium is
predominant a. when sexual selection occurs. b. when mutations occur. c. in small populations. d. when there is no gene flow between different populations. e. when all of these are true.
Human herpesvirus 3 (HHV-3)
A. causes chickenpox and shingles. B. becomes latent in dorsal root ganglia that serve specific dermatomes. C. has humans as its reservoir. D. uses the respiratory epithelium as its portal of entry. E. All of the choices are correct.
Predict why a box jelly can eat fish while a sponge can only consume bacteria and other microscopic organic matter?
A. Box jellies use intracellular digestion. B. Sponges are too small to consume large prey items. C. Sponges lack venom in their stinging cells. D. Box jellies start digestion in their gastrovascular cavity.
The two authors identify different groups in this GE debate. Based on the essays, which of the following statements correctly describes one author's label of the pro-GE groups versus the anti-GE groups?
a. Vasil: the practical pro-GE biotech industry vs. the small, political anti-GE lobby b. Vasil: the pro-GE scientists vs. the anti-GE scientists c. Mittal: the well-financed pro-GE biotech industry vs. rich anti-GE farmers d. Mittal: the global pro-GE political infrastructure vs. the anti-GE organic farming lobby