What is involved in the process of denitrification?
A. conversion of ammonium to nitrate
B. conversion of nitrite to nitrate
C. conversion of nitrate to nitrogen gas
D. conversion of nitrogen gas to ammonium
E. conversion of nitrogen gas to nitrate
Answer: C
You might also like to view...
Current thinking about the cause of Hutchinson-Gilford syndrome, which is a severe rapid aging condition, is that
A) the body is unable to secrete insulin. B) the part of the brain that controls aging is damaged. C) abnormal lamin A protein stresses the nuclear membrane, disturbing DNA repair such that mutations accumulate that cause the diseases of aging. D) a protein called progerin forms clumps in the brain in a way that removes DNA from the tips of telomeres, shortening chromosomes and lifespan.
The eukaryotic transcription initiation complex is (check all that apply)
A. only associated with RNA polymerase I. B. transcription of virtually all genes transcribed by RNA pol II requiring the same suite of general factors. C. interactive with activators through DNA looping. D. responsible for highly regulated transcription levels. E. a basal factor associated with RNA pol II after positioning RNA pol II at the start site.
Intermediates in the breakdown of ____ can be
diverted into glycolysis and the Krebs cycle. a. carbohydrates b. lipids c. proteins d. all of these e. carbohydrates and lipids only
The amniotic egg evolved as an adaptation
A. against predation. B. to insure survival in the uterus. C. to prevent desiccation. D. to permit the embryo to develop undisturbed up to the time of hatching.