Which mechanism of water transport in xylem can contribute to recovery from cavitation?
A) cohesion-tension
B) capillarity
C) pressure flow
D) root pressure
D
You might also like to view...
Ecologists use compartment models to describe ____
a. grazer food webs b. detrital food webs c. nutrient cycling d. species richness e. inputs of solar energy
400 micrograms a day of folic acid are recommended for all women of child-bearing age. Folic acid helps prevent neural tube defects in the first weeks of pregnancy, before most women even realize they are pregnant (and almost half of pregnancies in the U.S. are unintended). Knowing that folic acid promotes proper neural tube closure, which disease can be prevented by this supplement?
A. Spina bifida -- the vertebrae are unfused and may allow the spinal cord to protrude outside the body B. Horseshoe kidney -- the two kidneys are fused together across the midline C. Esophageal atresia -- the esophagous ends in a pouch, unconnected to the stomach D. Chronic otitis media -- frequent ear infections that can result from blocked eustachian tubes 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 neural tube? 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?
Sister chromatid exchanges increase in frequency in the presence of X rays, certain viruses, ultraviolet light, and certain chemical mutagens. In what autosomal recessive disorder is there known to be an increase in sister chromatid exchanges?
What will be an ideal response?
The structures of the vertebrate lung through which gases are exchanged with the blood are the
A. bronchi. B. pleural membranes. C. bronchioles. D. alveoli.