What happens during the process of denitrification?
A. Process of absorbing nitrogen from the atmosphere.
B. Production of ammonia from nitrogen gas.
C. Converts nitrogen gas into nitrates and nitrites.
D. Converts nitrates and nitrites into nitrogen gas.
Select your answer:
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Immunology › ViewIf a mother is MHC A3A14/B5B15/Cw3Cw4 and her child is A3A9/B5B27/Cw4Cw7, which of the following men is the most likely candidate for the father?
A. A5A9/B5B27/Cw3Cw7
B. A9A11/B15B21/Cw1Cw4
C. A4A15/B2B27/Cw1Cw5
D. A5A9/B17B27/Cw3Cw5
Bacteria & Viruses › View
Anything that triggers an immune response is a/n
A. lymph cell
B. antigen
C. antibody
D. neutrop