Mycorrhizae improve the nutrition of many plants by:
A) making the root cell membrane more permeable to phosphate ions.
B) masking P-fixation sites on the surface of certain soil minerals.
C) readily dissolving iron and aluminum phosphate compounds.
D) transporting phosphorus through the soil to the plant root.
E) fixing atmospheric phosphorus into forms readily used by plants.
D
You might also like to view...
In order to enhance the diplomatic leverage of the negotiations being conducted by American envoys James Monroe and Robert Livingston with Napoleonic France concerning obtaining American shipping access to the port of New Orleans and the Gulf of Mexico, President Jefferson
A. threatened to form an alliance with France's enemy, Spain. B. was willing to go to war with France and Britain, simultaneously. C. proposed to break away from all alliances to prove our neutrality. D. was willing to use funds from private individuals if Congress would not authorize enough money for the purchase. E. proposed to make an alliance with his old enemy, Britain, against Napoleonic France.
Some welders have to make welds in very restricted spaces using a mirror.
Answer the following statement true (T) or false (F)
The maximum recommended voltage drop for a branch circuit is eight percent.
Answer the following statement true (T) or false (F)
The feed habits of llamas and alpacas are similar to:
A. sheep B. poultry C. cattle D. large game animals