An enzyme may lose its ability to function because of
(a) excessively high temperatures.
(b) a change in its three-dimensional structure.
(c) a large change in the pH of the environment.
(d) all of the above.
(d) all of the above.
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Pain projected by the brain back to a missing body part is called
a. phantom pain. b. referred pain. c. projected pain. d. erroneous pain. e. perceived pain.
Which of the following can be used as vectors for cloning DNA fragments?
A. Cosmids B. Bacteriophages C. Plasmids D. All of the choices are correct.
The term ________ is given to any foreign substance that stimulates a specific immune system response.
Fill in the blank(s) with the appropriate word(s).
Which is incorrect about chromoblastomycosis?
A. It is frequently confused with yaws, cancer, and syphilis. B. Treatment is with pentamidine. C. It is characterized by highly visible verrucous lesions. D. Its etiological agent are soil saprobes with dark-pigmented mycelia and spores. E. Sclerotic cells are produced.