When pathogenic fungi are found growing on the roots of grape vines, grape farmers sometimes respond by covering the ground around their vines with plastic sheeting and pumping a gaseous fungicide into the soil
The most important concern of grape farmers who engage in this practice should be that the _____.
A) fungicide might also kill the native yeasts residing on the surfaces of the grapes
B) lichens growing on the vines' branches are not harmed
C) fungicide might also kill mycorrhizae
D) sheeting is transparent so that photosynthesis can continue
Answer: C
You might also like to view...
You are working in a lab and come across a gene, Gene X, that you think might explain some of the differences seen between chimpanzees and humans. Which of the following results would support your hypothesis?
A. if Gene X was active in humans, juvenile chimpanzees and inactive in adult chimpanzees B. if Gene X was active in humans, adult chimpanzees and inactive in juvenile chimpanzees C. if Gene X was active in adult humans and adult chimpanzees but inactive in juvenile humans D. if Gene X was active in juvenile humans, juvenile chimpanzees, and adult chimpanzees but inactive in adult humans
In the 1950s, Earl Sutherland and colleagues discovered that epinephrine ____
a. triggers the release of a second messenger which leads to the hydrolysis of glycogen to glucose b. triggers the release of a second messenger which lowers blood glucose by causing it to bind to liver cells c. interacts directly with the enzyme glycogen phosphorylase d. interacts directly with the cell membrane to help transport glucose into the cell e. is a signaling molecule that does not require a cell surface receptor
Which of the following are symptoms of
sudden cardiac arrest?
a. burning chest pain b. blurred vision c. loss of pulse d. arrested breathing e. all of these are symptoms of sudden cardiac arrest
Based on molecular evidence, the ancestor of snakes had legs. How might you explain the loss of legs in modern snakes?
What will be an ideal response?