Most of the water moving through a plant is lost through ____.
A. osmotic gradients in the soil
B. transpiration
C. translocation
D. photolysis
E. photosynthesis
Answer: B
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Which of the following is a consequence of biological magnification (biomagnification)?
A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. B) Populations of top-level predators are generally smaller than populations of primary consumers. C) The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers. D) Only a small portion of the energy captured by producers is transferred to consumers. E) The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases.
Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a
recessive trait. You just got married and discover that your new father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have both albinism and cystic fibrosis?
a. 1/16. b. 1/8. c. 1/4. d. 1/2. e. 0.
Connor decides to celebrate his 21st birthday by drinking a few beers at a local sports bar. After a while, Connor notices that he is making many more trips to the men’s room than the week before, when he drank similar amounts of carbonated water. Why is that?
A. Alcohol stimulates secretion of ions into the nephron and water follows by osmosis. B. Alcohol stimulates filtration of the blood plasma by the glomeruli. C. Alcohol inhibits the secretion of ADH by the posterior pituitary gland, thereby decreasing water reabsorption. D. Alcohol inhibits reabsorption of sugars, amino acids and other small metabolites, which decreases reabsorption of water. E. Alcohol stimulates the insertion of aquaporins into the plasma membranes of cells that line the collecting ducts, thereby decreasing water reabsorption. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the production of urine? What other information is related to the question? Choose Answer Given what you now know, what information 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?
What structure do myelin sheaths form along?
A. Cell bodies B. Dendrites C. Ganglia D. Axons E. Neuroglia