Much of the loss of biologically available nitrogen in the ocean is now thought to be due to a consortium of microbes carrying out ________.
A. the anammox reaction
B. nitrogen fixation
C. nitrification
D. denitrification
Answer: A
Biology & Microbiology
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The area lying between the water lines of high and low tide is referred to as the ________
Fill in the blank(s) with correct word
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During exhalation, air moves from the bronchi directly into the alveoli. Indicate whether the statement is true or false
Biology & Microbiology
RNA molecules that can function like enzymes are called
A) ribosomes. B) mRNA. C) ribozymes.
Biology & Microbiology
The bacterium Agrobacterium tumefaciens
a. forms a nitrogen-fixing symbiosis with plants. b. forms a symbiotic relationship with plant roots. c. causes plant wilt. d. causes crown gall disease.
Biology & Microbiology