Bioremediation is:
A. the use of microorganisms to treat open wounds
B. the use of microorganisms to break down harmful substances in the environment
C. the use of bacteria to attack cancer cells
D. the use of microorganisms to attack pathogenic bacteria
E. the use of bacteria in the production of biofuels
B. the use of microorganisms to break down harmful substances in the environment
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Which of the following is part of the adaptive, rather than the innate, immune response?
A. cilia that sweep bacteria out of the respiratory tract B. the process of inflammation C. antibody production D. fever production E. the complement protein production
Which of the following is the most likely trigger for reactivation of tuberculosis?
A. Ultraviolet B light B. Kidney transplant C. Poor hygiene D. Estrogen therapy
__________ are free-living and usually kill their prey.
Fill in the blank(s) with the appropriate word(s).
Which of the following cell types conducts water most rapidly through a plant?
A. sieve tubes B. phloem C. vessel members D. parenchyma cells E. sclerenchyma cells