A small decrease in seawater pH was shown to have a significant effect on ____
a. climate change
b. the oceanic sink for carbon dioxide
c. gene expression in sea urchin larvae
d. genes expression in zooplankton
e. carbon dioxide accumulation in the ocean
ANSWER: c
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A novice gardener notices that many plants in his garden look wilted. What osmotic solution would you suggest the novice gardener use to best return the plants to full health?
A. Place the plants in a 15% solute solution so water can be actively transported out of the plant cells. B. Place the plants in a 5% solute solution so water can be actively transported out of the plant cells. C. Place the plants in a 5% solute solution so water can diffuse into the plant cells. D. Place the plants in a 15% solute solution so water can diffuse out of the plant cells. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about water uptake in plants?What other information is related to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
All of the following are non-protein electron carriers EXCEPT
A) FADH2. B) FMNH2. C) cytochromes. D) quinones.
Which land biome covers the largest proportion of the Earth?
a. Desert b. Grasslands c. Tundra d. Coniferous forests e. Deciduous forests
Which of the following is heterosporous?
a. whisk fern b. spike moss c. horsetail d. liverwort e. hornwort