The form of nitrogen used by plants to produce various amino acids, proteins, nucleic acids, and vitamins is ____.

A. ammonium ions
B. nitrogen gas
C. proteins
D. nitrites
E. nitrate ions


Answer: E

Environmental & Atmospheric Sciences

You might also like to view...

Phytoplankton are primary producers

a. True b. False

Environmental & Atmospheric Sciences

Thermohaline circulation is responsible for large-scale movements of ocean water and depends on both the salinity and the temperature of water

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Poverty, a low standard of living, the lack of opportunities and advantages, a poor educational system, or the lack of social services have all served to simply diminish the human spirit of the people living in West Africa and Nigeria.

a. true b. false

Environmental & Atmospheric Sciences

A zonal operation can be run with one input raster or two input rasters. How do these two types of zonal operations differ in terms of their applications?

What will be an ideal response?

Environmental & Atmospheric Sciences