In the total organic carbon (TOC) test, microorganisms are used to measure the levels of carbon in a water sample.
Answer the following statement true (T) or false (F)
False
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Air rushes into the lungs of humans during inhalation because _____
A) the rib muscles and diaphragm contract, increasing the lung volume B) the volume of the alveoli increases as smooth muscles contract C) gas flows from a region of lower pressure to a region of higher pressure D) pulmonary muscles contract and pull on the outer surface of the lungs E) a positive respiratory pressure is created when the diaphragm relaxes
The process where two gametes fuse with each other in the process of fertilization to begin the life of a new organism is called
A. sexual reproduction. B. gametogenesis. C. asexual reproduction. D. X-linked inheritance. E. multicellularity.
Langerhan Cells play an important role in the induction of the adaptive immune system by presenting the antigen to the adaptive immune system's cells.
a. true b. false
Gram-negative bacteria in the genus ________ prey on other Gram-negative bacteria
A) Bdellovibrio B) Chlamydia C) Rickettsia D) Mycoplasma E) Caulobacter